Liability Consultants, Inc. - Boston - Providence


About Us

RandellC. Oxley, RandellC. Oxley




President       1984 to present

President and founder of Lock Design Corp. to design, patent, manufacture and market new products for the security hardware industry and commercial  marketplace.  Products include: TECH LOCK brand refrigerator locks - specialized locking systems for commercial kitchen refrigerators; STRIKE-O-MATIC 2000 brand electric strikes, ABLOY Protec High Security Locking systems. The following services are offered:


Evaluate physical security needs, specify hardware for integration of electronic locking and access control systems, specify hardware for compliance with ADA and Life Safety codes.  Design consultation and and product development.  Clients include:  Hanchett Entry Systems (HES); Rutherford Controls, Inc. (RCI); Trine Access Controls, Inc.

Forensic Locksmith / Expert Witness Services

Forensic evaluation, expert testimony and consultation including: site inspection; evaluation of installation, adequacy, and function of doors, locks, door frames, door closers, windows and window locks, hinges, and other related hardware; macro photographic recording; and site reproduction services in numerous civil actions involving claims of inadequate security for both plaintiff and defense law firms and claims of patent infringement.  

Custom Design and Manufacturing

Design and manufacture of mechanical and electromechanical locking mechanisms for standard or custom applications including consulting and prototype production services.

Patents Awarded:

United States Patent # 4,772,053 - granted    September 1988 by U.S. Office of Patents and Trademarks for a storage chamber cross-bar lock assembly. United States Patent # 5,076,625 – granted     December 1991 by U.S. Office of Patents and Trademarks for an improved electric strike.

United States Patent # 6,325,429 B1- granted December 2001 by U.S. Office of Patents and Trademarks for an electrically operated door lock.

United States Patent #  6,926,318 B2 - granted August  2005 by U.S. Office of Patents and Trademarks for a field configurable electric strike for exit devices.

Dealer for ABLOY PROTEC High Security Locking systems designed to customer needs and requirements and installed at various customer locations.

APAHOUSER  LOCK AND SECURITY CORP                   Needham, MA

Masterkey Manager        1995 to 5/1996

Manager of the Masterkeying and Production Departments in charge of all BEST® lock and key production (100,000 cylinders per year), creating and maintaining all masterkey systems for the New England region, and as consultant to the Central Artery / 3rd Harbor Tunnel project, developed new application of products and co-authored project lock specifications.

TECH LOCK CORPORATION Bridgewater, MA  President            1982 to1995

President and founder of Tech Lock Corp. providing complete locksmithing, electronic access control, and physical security system services for commercial and industrial customers.  Services included:  create and install masterkeyed lock systems; install and repair door frames, closers, exit devices, and other related hardware; specify and install electromechanical locking systems; fabricate and install custom hardware and entryways. Clients included: GTE Government Systems Corp.; New England Telephone / NYNEX; Reebok International Ltd.; Prime Computer; Computervision; Digital Equipment Corp.;Stratus Computer;  Duracell;  The Providence Journal;  Diebold Inc.; Baybank Systems Inc.; Citizens Bank;  Mount Auburn Hospital;  Carney Hospital;   Mass Eye and Ear Infirmary;    The Ritz-Carlton Hotel; The Copley Plaza Hotel; The Boston Marriott Hotels (seven hotels); The Back Bay Hilton Hotel.


Locksmith    1980-1982

Locksmith providing complete services from a mobile shop and main shop to commercial and industrial customers.  Became responsible for design and fabrication of specialty items. Achieved highest sales of specialty and high security lock products for any non-commissioned employee.


Installer    1978-1979

Provided services to a union carpentry contractor including: materials distribution and control; hardware installation and repair; general labor.


Director of Security    1977-1978

Provided armed security services to a large apartment complex including the following duties: coverage scheduling, patrol supervising, developing and implementing department radio communications, functioning as liaison  to the Westborough Police Department, obtaining Special Police powers for my officers, larceny investigations.

WAYLAND POLICE DEPARTMENT                      Wayland, MA

Auxiliary Policeman        1975-1978

Served as an Auxiliary Policeman. Duties included: weekly duty tour in Police cruiser with regular officer responding to all calls and routine patrol work; weekly firearm range instruction and practice; certification in CPR and first responder first aid  courses;  attended various training classes on law enforcement subjects including rules and regulations, accident investigations, drug and alcohol identification and awareness, use of force, etc.

Special Project: Volunteered for and conducted a six month undercover sting operation with the Youth Officer to identify, collect evidence from, and bring to prosecution a drug dealer who had been selling to Jr.High school students.  


Store Detective    1976-1977

Walked the retail floors to watch for, identify, and apprehend shoplifters with Special Police powers in a very large department store, testified in court after arrests.


Journeyman Electrician    1975-1976

Served as an apprentice to a Licensed Electrician  doing all phases of electrical work.


Director of Student Security- Sylvan Area    1974-1975

Provided security services for dorm complex including the following duties:  Interview, hire and monitor student security guards ( 25 ); establish guidelines and procedures for student guards and residents;  designed and implemented radio communications for guards, developed cooperative relationship with the UMASS Police Dept.


Northeastern University  Boston, MA

Bachelor of Science in Criminal Justice  1980

University of Massachusetts Amherst, MA

School of Mechanical Engineering    1973-1975

Boston University  Boston, MA   

Entrepreneurial Management Institute    1985-1986 MBA Course Certificate    


Massasoit Community College          Brockton, MA

Business Accounting curriculum  1984

Locksmithing Institute         Des Plaines,IL

General Locksmithing  1975


Northeastern University   Boston,MA

College of Criminal Justice  

Guest lecturer on physical security

Mount Auburn Hospital                  Cambridge,MA

Security and Safety Training Seminar  

Guest lecturer on locking systems and life safety

Greater Brockton Rotary Club            E. Bridgewater, MA

Guest lecturer on physical security for business  

Mass Continuing Legal Education, Inc.   Boston,MA   

MCLE's Negligent Security Seminar  Guest lecturer on: gathering physical evidence and presenting evidence in court.

Liablility Consultants, Inc.