For the Inventor, By the Inventor

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Clearwater, FL, United States of America

Technology Reasearch Corporation

USPTO Granted Patents = 3

% Expired Patents = 100.0

Forward Citations = 71

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4 inventors (with patents filed for the assignee):

David Sykes (1 out of 7 patents)

Paul R Gandolfi (1 out of 6 patents)

Frank S Brugner (1 out of 8 patents)

4. James E Riccio (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 8659857 - Leakage current detection and interruption circuit powered by leakage current (2014-02-25),

2. 8436602 - Voltage compensation circuit (2013-05-07),

3. 8134820 - Contactor control circuit (2012-03-13),

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#71 in Clearwater, FL

#2,666 in Florida

#73,766 in US

Clearwater, FL, United States of America

Technology Reasearch Corporation

Forward Citations = 71

4 inventors:

David Sykes (1 out of 7 patents)

Paul R Gandolfi (1 out of 6 patents)

Frank S Brugner (1 out of 8 patents)

4. James E Riccio (1 out of 1 patent)

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