For the Inventor, By the Inventor

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Chicago, IL, United States of America

Zenith Controls, Inc.

USPTO Granted Patents = 2

Forward Citations = 55

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5 inventors (with patents filed for the assignee):

Carl Kyrk (1 out of 1 patent)

Ronald M Bassett (1 out of 5 patents)

Wayne C Potempa (1 out of 1 patent)

4. Kevin T Sheppard (1 out of 1 patent)

5. Ronald L Schultz (1 out of 12 patents)

2 patents: Sort by Forward Citations

1. 5739594 - Controller for automatic transfer switches (1998-04-14),

2. 5023469 - Interlock system for bypass/isolation automatic transfer switch (1991-06-11),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#1,000 in Chicago, IL

#4,304 in Illinois

#92,554 in US

Chicago, IL, United States of America

Zenith Controls, Inc.

Forward Citations = 55

5 inventors:

Carl Kyrk (1 out of 1 patent)

Ronald M Bassett (1 out of 5 patents)

Wayne C Potempa (1 out of 1 patent)

4. Kevin T Sheppard (1 out of 1 patent)

5. Ronald L Schultz (1 out of 12 patents)

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