For the Inventor, By the Inventor

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River Grove, IL, United States of America

Fort Lock Corporation

USPTO Granted Patents = 46

Trademarks = 5

Forward Citations = 865

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15 inventors (with patents filed for the assignee):

Gary L Myers (33 out of 93 patents)

Frank J Scherbing (6 out of 11 patents)

Calin Vasile Roatis (3 out of 56 patents)

4. Paul D Caplinger (3 out of 3 patents)

5. William D Denison (2 out of 66 patents)

6. Robert Courtwright (2 out of 2 patents)

7. Ratomir Zivovic (2 out of 2 patents)

8. Morris Falk (2 out of 3 patents)

9. Gale Johnson (2 out of 2 patents)

10. Aurelia C Haiduc (1 out of 1 patent)

11. Stanislav Jezek (1 out of 1 patent)

12. Aurelia Constanta Haiduc (1 out of 1 patent)

13. Sidney Falk (1 out of 4 patents)

14. Alan G Goeke (1 out of 1 patent)

15. John T Hutzenlaub (1 out of 1 patent)

Core Competencies:

Electronically Controlled Lock

Lock Assembly

Tumbler

Motorcycle Ignition Switch

Dead Bolt

Pin Tumbler

Refrigerator Lock

High Security Lock

Cable Lock

Padlock

Bicycle Lock

Alarm Switch Mechanism

46 patents: Sort by Forward Citations

1. 6116067 - Electronically controlled lock system for tool containers (2000-09-12),

2. 6068305 - Lock assembly for vending machines and method for locking and unlocking (2000-05-30),

3. 5970762 - Lock plug assembly and a tumbler with a bent-over end therefor (1999-10-26),

4. 5921119 - Pop-out handle lock assembly (1999-07-13),

5. 5907963 - Lock assembly with a key-activated removable core structure (1999-06-01),

6. 5862693 - Electronically controlled security lock (1999-01-26),

7. 5636540 - Lock clip (1997-06-10),

8. 5634358 - Motorcycle ignition switch and steering lock (1997-06-03),

9. 5619874 - Handle lock for safe doors and the like (1997-04-15),

10. 5595079 - Motorcycle steering lock (1997-01-21),

11. D376131 - Motorcycle ignition switch and steering lock (1996-12-03),

12. 5563387 - Motorcycle ignition switch lock (1996-10-08),

13. 5551263 - Lock with dead bolt camming action on 90 degree lock cylinder rotation (1996-09-03),

14. D369536 - Motorcycle steering lock (1996-05-07),

15. D368846 - Portion of a key blade blank (1996-04-16),

Fort Lock Corporation, based in River Grove, Illinois, specializes in the development and manufacturing of advanced locking mechanisms. The company focuses on electronically controlled locks, high-security locks, and various lock assemblies, including tumbler locks and motorcycle ignition switches. Their expertise extends to padlocks and universal keyway locks, emphasizing security and reliability in their products. Fort Lock Corporation is committed to innovation in the locking industry, providing solutions that meet diverse security needs.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

46 Patents

#1 in River Grove, IL

#412 in Illinois

#7,590 in US

#15,096 in the World

River Grove, IL, United States of America

Fort Lock Corporation

Forward Citations = 865

15 inventors:

Gary L Myers (33 out of 93 patents)

Frank J Scherbing (6 out of 11 patents)

Calin Vasile Roatis (3 out of 56 patents)

4. Paul D Caplinger (3 out of 3 patents)

5. William D Denison (2 out of 66 patents)

Please report any incorrect information to [email protected]

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