For the Inventor, By the Inventor

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Anoka, MN, United States of America

Federal-Hoffman, Inc.

USPTO Granted Patents = 35

Trademarks = 21

Forward Citations = 1,393

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35 inventors (with patents filed for the assignee):

Robert G Lau (11 out of 14 patents)

David A Swan (9 out of 13 patents)

John M Hallis (6 out of 7 patents)

4. Trent T Jones (5 out of 16 patents)

5. Brian Lynn Mordick (4 out of 7 patents)

6. Jack A Erickson (3 out of 19 patents)

7. Robert L Kramer (3 out of 6 patents)

8. Marc T Fuller (3 out of 4 patents)

9. Richard W Proulx (3 out of 9 patents)

10. Craig E Schinzel (2 out of 3 patents)

11. David B Wightman (2 out of 2 patents)

12. Steven J Hammond (2 out of 2 patents)

13. Jeffrey A Earles (2 out of 2 patents)

14. Scott D Buell (2 out of 3 patents)

15. John S Abbott (2 out of 3 patents)

35 patents: Sort by Forward Citations

1. 5852858 - Non-toxic frangible bullet (1998-12-29),

2. 5852255 - Non-toxic frangible bullet core (1998-12-22),

3. D393636 - Bezel (1998-04-21),

4. 5736194 - Method and apparatus for masking (1998-04-07),

5. 5722121 - Enclosure hinge (1998-03-03),

6. D391143 - Low profile handle (1998-02-24),

7. 5704100 - Retaining clip system (1998-01-06),

8. D385768 - Handle (1997-11-04),

9. 5683005 - Adjustable mounting system (1997-11-04),

10. 5679920 - Non-toxic frangible bullet (1997-10-21),

11. 5666695 - Hinge system (1997-09-16),

12. 5664448 - Locking door handle (1997-09-09),

13. 5642909 - Latch system (1997-07-01),

14. 5638648 - Window door stamped radius (1997-06-17),

15. 5634357 - Enclosure handle (1997-06-03),

Federal-Hoffman, Inc. is a leading manufacturing company specializing in industrial products. With more than 50 years of experience, we provide innovative solutions for a wide range of industries including automotive, aerospace, and construction. Our expertise lies in precision machining, metal fabrication, and assembly. We are committed to delivering high-quality products and exceptional customer service. Visit our website to explore our capabilities and learn more about how we can meet your manufacturing needs.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 13 2026

35 Patents

#6 in Anoka, MN

#271 in Minnesota

#9,434 in US

#18,635 in the World

Anoka, MN, United States of America

Federal-Hoffman, Inc.

Forward Citations = 1,393

35 inventors:

Robert G Lau (11 out of 14 patents)

David A Swan (9 out of 13 patents)

John M Hallis (6 out of 7 patents)

4. Trent T Jones (5 out of 16 patents)

5. Brian Lynn Mordick (4 out of 7 patents)

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