Forward Citations = 40

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3 inventors (with patents filed for the assignee):

Geoffrey Chopping (1 out of 30 patents)

Jonathan W Rowe (1 out of 1 patent)

Martin S Rose (1 out of 5 patents)

2 patents: Sort by Forward Citations

1. 5091902 - Telecommunications transmission security arrangement (1992-02-25),

2. D304725 - Public pay telephone stand with alternative payment means (1989-11-21),

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USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#33 in Coventry

#6,523 in United Kingdom

Coventry, United Kingdom

Gec Plessy Telecommunications Ltd.

Forward Citations = 40

3 inventors:

Geoffrey Chopping (1 out of 30 patents)

Jonathan W Rowe (1 out of 1 patent)

Martin S Rose (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gec Plessy Telecommunications Ltd.. Retrieved from https://idiyas.com/company/gec-plessy-telecommunications

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]