For the Inventor, By the Inventor

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Lexington, KY, United States of America

Mas-Hamilton Group, Inc.

USPTO Granted Patents = 32

Forward Citations = 721

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33 inventors (with patents filed for the assignee):

Gerald L Dawson (16 out of 25 patents)

Kenneth H Mimlitch (7 out of 19 patents)

Daniel L Thompson (7 out of 12 patents)

4. Thomas R Clark (7 out of 9 patents)

5. Walter R Evans (5 out of 5 patents)

6. Raymond Herman Reichenbach (4 out of 4 patents)

7. Joseph Wade Luciano (3 out of 11 patents)

8. James D Hill (3 out of 11 patents)

9. James P Redden (3 out of 5 patents)

10. John E Passafiume (3 out of 6 patents)

11. James D Hamilton (3 out of 3 patents)

12. Harold L Brooks (3 out of 3 patents)

13. William Fain Irving (2 out of 2 patents)

14. James Thomas Loiselle (2 out of 2 patents)

15. Edward E Pollard (2 out of 7 patents)

Core Competencies:

Electronic Lock

Combination Lock

Solenoid Control

Security Features

Access Control

Power Management

Automatic Locking

High Security

Keypad Entry

Anti-Attack

Locking Mechanism

Monitoring System

32 patents: Sort by Forward Citations

1. 6229421 - Autosecuring solenoid (2001-05-08),

2. D437542 - Lock cover (2001-02-14),

3. 6178791 - Electronic reset for solenoid activated control in an electronic lock (2001-01-30),

4. RE37011 - Electronic combination lock utilizing a one time use combination (2001-01-09),

5. 6151935 - Deadbolt combination lock system with automatic locking spring bolt (2000-11-28),

6. D433314 - Lock cover (2000-11-07),

7. 6094953 - Electrically controlled slidebolt lock (2000-08-01),

8. 6076383 - Emitter and power drive system for an electronic lock (2000-06-20),

9. 6047998 - Cassette and cassette rack locking device (2000-04-11),

10. 6038897 - Back cover lock for a combination lock (2000-03-21),

11. 6006561 - Electronic reset for solenoid activated control in an electronic lock (1999-12-28),

12. 5896095 - Electronic lock with access (1999-04-20),

13. 5896026 - Power conservation and management system for a self-powered electronic (1999-04-20),

14. 5893283 - Solenoid controlled bolt control for an electronic lock (1999-04-13),

15. 5881589 - Gear driven bolt withdrawal for an electronic combination lock (1999-03-16),

Mas-Hamilton Group, Inc. is a specialized engineering firm based in Lexington, KY, focusing on the development and manufacturing of advanced security and access control systems. The company is recognized for its innovative solutions that enhance safety and efficiency across various sectors, including government, commercial, and industrial applications. With a commitment to research and technology, Mas-Hamilton integrates cutting-edge engineering practices to address complex security challenges, ensuring robust protection for its clients.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

32 Patents

#6 in Lexington, KY

#38 in Kentucky

#10,583 in US

#20,645 in the World

Lexington, KY, United States of America

Mas-Hamilton Group, Inc.

Forward Citations = 721

33 inventors:

Gerald L Dawson (16 out of 25 patents)

Kenneth H Mimlitch (7 out of 19 patents)

Daniel L Thompson (7 out of 12 patents)

4. Thomas R Clark (7 out of 9 patents)

5. Walter R Evans (5 out of 5 patents)

Please report any incorrect information to [email protected]

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