Trademarks = 1

Forward Citations = 56

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2 inventors (with patents filed for the assignee):

Charles W Hansen (1 out of 6 patents)

Leo F Geremia (1 out of 4 patents)

2 patents: Sort by Forward Citations

1. 4518832 - Rotary and/or push-pull wiping switch (1985-05-21),

2. 4501981 - Return-to-zero stepper motor (1985-02-26),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#33 in Waterbury, CT

#1,783 in Connecticut

#94,905 in US

Waterbury, CT, United States of America

Haydon Switch & Instrument, Inc.

Forward Citations = 56

2 inventors:

Charles W Hansen (1 out of 6 patents)

Leo F Geremia (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Haydon Switch & Instrument, Inc.. Retrieved from https://idiyas.com/company/haydon-switch-and-instrument

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]