Chesilvale Electronics Limited

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USPTO Granted Patents = 2

Forward Citations = 11

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3 inventors (with patents filed for the assignee):

Graham Keith Lacy (1 out of 36 patents)

Stephen H Colclough (1 out of 1 patent)

Ian A Tapping (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6223402 - Clip and casing test telephone incorporating clip (2001-05-01),

2. 5384842 - Programmable telephone (1995-01-24),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#678 in

#6,535 in United Kingdom

GB

Chesilvale Electronics Limited

Forward Citations = 11

3 inventors:

Graham Keith Lacy (1 out of 36 patents)

Stephen H Colclough (1 out of 1 patent)

Ian A Tapping (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chesilvale Electronics Limited. Retrieved from https://idiyas.com/company/chesilvale-electronics

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]