For the Inventor, By the Inventor

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Chicago, IL, United States of America

Switchcraft, Inc.

USPTO Granted Patents = 47

Trademarks = 12

Forward Citations = 1,160

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26 inventors (with patents filed for the assignee):

Frederick L Lau (13 out of 13 patents)

James R Bailey (11 out of 15 patents)

Kurt Lutzenberger (6 out of 6 patents)

4. Eric L Long (5 out of 8 patents)

5. Vernon W Lavigne (4 out of 4 patents)

6. Steven R Cooper (3 out of 4 patents)

7. Antonio A Garay (3 out of 4 patents)

8. Robert L Valleau (3 out of 3 patents)

9. Tedford H Spaulding (3 out of 3 patents)

10. Zenon Sliczniak (2 out of 3 patents)

11. Arnold A Case (2 out of 4 patents)

12. John R Herron (2 out of 3 patents)

13. Emma Basov (2 out of 4 patents)

14. Keith A Rosborough (2 out of 2 patents)

15. William J Kysiak (2 out of 2 patents)

47 patents: Sort by Forward Citations

1. D937782 - Stereo connector (2021-12-07),

2. D826862 - Electrical connector (2018-08-28),

3. 8538054 - Phantom power controlled switch (2013-09-17),

4. 7824201 - Switch actuated normalling jack for patchbays (2010-11-02),

5. 7264493 - High frequency coaxial jack (2007-09-04),

6. 6817876 - High frequency coaxial jack (2004-11-16),

7. 5485673 - Environmental connector (1996-01-23),

8. 5362251 - Solderless coaxial connector plug (1994-11-08),

9. 5115375 - Snap-in retainer sleeve (1992-05-19),

10. 5098317 - Slip resistant connective device (1992-03-24),

11. 4959028 - Electrical power connector (1990-09-25),

12. 4954096 - Electrical jack with fixed detent (1990-09-04),

13. 4938717 - Reinforced jack plug (1990-07-03),

14. 4921431 - Connector adapter assembly (1990-05-01),

15. 4874317 - Jackfield with front terminals (1989-10-17),

Switchcraft, Inc. is a leading manufacturer of premium electronic connectors and switches. With over 70 years of experience, Switchcraft offers a wide range of interconnect solutions for various industries including audio, video, medical, military, and more. Our products are known for their high quality, reliability, and durability. Visit our website to explore our extensive product catalog and find the perfect solution for your connector and switch needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

47 Patents

#99 in Chicago, IL

#396 in Illinois

#7,179 in US

#14,373 in the World

Chicago, IL, United States of America

Switchcraft, Inc.

Forward Citations = 1,160

26 inventors:

Frederick L Lau (13 out of 13 patents)

James R Bailey (11 out of 15 patents)

Kurt Lutzenberger (6 out of 6 patents)

4. Eric L Long (5 out of 8 patents)

5. Vernon W Lavigne (4 out of 4 patents)

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