For the Inventor, By the Inventor

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Sterling, IL, United States of America

Lawrence Brothers Inc.

USPTO Granted Patents = 26

Trademarks = 1

Forward Citations = 404

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11 inventors (with patents filed for the assignee):

Larry K Johnson (13 out of 13 patents)

Robert L Newlon (5 out of 5 patents)

Delmar McNinch (4 out of 4 patents)

4. Billie J Uphoff (2 out of 2 patents)

5. Robert E Strozier (1 out of 5 patents)

6. Mark H Toomey (1 out of 2 patents)

7. James Zbinden (1 out of 1 patent)

8. George W Ries (1 out of 1 patent)

9. Tom M Lawrence (1 out of 1 patent)

10. William K Schuttler (1 out of 1 patent)

11. Kenneth L Gates (1 out of 1 patent)

Core Competencies:

Adjustable Hinge

Security Hinge

Spring Hinge

Door Frame Construction

Bifold Door Hinge

Releasable Door Stop

Bearing Supported Truck

Load Supporting Hinge

Barn Door Framing

Pivot Assembly

Latch Assembly

Drilling Unit

26 patents: Sort by Forward Citations

1. 5713105 - Adjustable hinge (1998-02-03),

2. D305403 - Combined rescue door stop and striker plate (1990-01-09),

3. 4552094 - Horse stall construction (1985-11-12),

4. 4538323 - Bearing supported truck assembly for sliding door (1985-09-03),

5. 4513555 - Barn door framing system (1985-04-30),

6. 4513554 - Barn door framing system (1985-04-30),

7. 4513535 - Barn door framing system (1985-04-30),

8. 4359804 - Load supporting hinge structure with concealed angular bearing (1982-11-23),

9. 4340246 - Latch assembly (1982-07-20),

10. 4339845 - Spring hinge (1982-07-20),

11. 4295514 - Bifold door hinge assembly (1981-10-20),

12. 4288887 - Frame corner connector (1981-09-15),

13. 4216986 - Releasable door stop assembly (1980-08-12),

14. 4193245 - Door frame construction (1980-03-18),

15. 4168409 - Security hinge with sealed switch and operator concealed therein (1979-09-18),

Lawrence Brothers Inc. is a prominent manufacturer based in Sterling, Illinois, specializing in the production of high-quality industrial components and equipment. The company focuses on delivering innovative solutions across various sectors, including automotive, aerospace, and general manufacturing. With a commitment to precision engineering and customer satisfaction, Lawrence Brothers leverages advanced technologies to enhance product performance and reliability, serving clients both domestically and internationally.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

26 Patents

#3 in Sterling, IL

#675 in Illinois

#12,850 in US

#24,781 in the World

Sterling, IL, United States of America

Lawrence Brothers Inc.

Forward Citations = 404

11 inventors:

Larry K Johnson (13 out of 13 patents)

Robert L Newlon (5 out of 5 patents)

Delmar McNinch (4 out of 4 patents)

4. Billie J Uphoff (2 out of 2 patents)

5. Robert E Strozier (1 out of 5 patents)

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