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For the Inventor, By the Inventor

Chicago, IL, United States of America

Switchcraft, Inc.


USPTO Granted Patents = 47

% Expired Patents = 2.1

Trademarks = 8

Forward Citations = 1,166

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26 inventors (with patents filed for the assignee):

goldMedal Frederick L Lau (13 out of 13 patents)

silverMedal James R Bailey (11 out of 15 patents)

bronzeMedal 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)


Core Competencies:
Electrical Connectors
Fiber Optic Connectors
Coaxial Jacks
Phantom Power Switches
Miniature Audio Connectors
Jackfield Assemblies
Solderless Connectors
Tactile Switch Devices
Electrical Power Connectors
Vibration Protected Switches
Panel Mountable Modules
Slip Resistant Connective Devices

47 patents:

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.

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USPTO Data Jan 1 1976 - Sep 15 2026

Switchcraft, Inc.
47 Patents

#104 in Chicago, IL

#405 in Illinois

#7,417 in US

#14,774 in the World

Chicago, IL (US)
Chicago, IL, United States of America

Switchcraft, Inc.

Forward Citations = 1,166

26 inventors:

goldMedal Frederick L Lau (13 out of 13 patents)

silverMedal James R Bailey (11 out of 15 patents)

bronzeMedal 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)

Please report any incorrect information to [email protected]
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