For the Inventor, By the Inventor

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Lexington, KY, United States of America

Mas-hamilton Group, Inc.

USPTO Granted Patents = 32

Trademarks = 1

Forward Citations = 703

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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)

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 leading provider of high-security mechanical and electronic locks, key management solutions, and safes. With over 100 years of experience, the company is trusted by financial institutions, government agencies, and commercial organizations worldwide. Mas-hamilton Group's innovative security products offer advanced technology and reliability to protect valuable assets. Visit their website for more information.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

32 Patents

#5 in Lexington, KY

#37 in Kentucky

#10,227 in US

#20,052 in the World

Lexington, KY, United States of America

Mas-hamilton Group, Inc.

Forward Citations = 703

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)

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