West Lafayette, IN, United States of America

Electronic Research Group, Inc.

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 433

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6 inventors (with patents filed for the assignee):

Paul Michael Lindberg (1 out of 12 patents)

Fred M Fehsenfeld (1 out of 4 patents)

Donald M Silva (1 out of 2 patents)

4. LeRoy F Silva (1 out of 2 patents)

5. David C Brewer (1 out of 1 patent)

6. Conrad Lindberg (1 out of 5 patents)

2 patents: Sort by Forward Citations

1. 4876638 - Low-noise switching power supply having variable reluctance transformer (1989-10-24),

2. 4860185 - Integrated uninterruptible power supply for personal computers (1989-08-22),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#37 in West Lafayette, IN

#1,328 in Indiana

#94,953 in US

West Lafayette, IN, United States of America

Electronic Research Group, Inc.

Forward Citations = 433

6 inventors:

Paul Michael Lindberg (1 out of 12 patents)

Fred M Fehsenfeld (1 out of 4 patents)

Donald M Silva (1 out of 2 patents)

4. LeRoy F Silva (1 out of 2 patents)

5. David C Brewer (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Electronic Research Group, Inc.. Retrieved from https://idiyas.com/company/electronic-research-group

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]