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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1,799 in San Francisco, CA
#29,056 in California
#136,919 in US
Pacific Bell Telephone
Forward Citations = 42
6 inventors:
San Francisco, CA, United States of America
Pacific Bell Telephone
% Expired Patents = 100.0
Forward Citations = 42
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6 inventors (with patents filed for the assignee):
Yanira Marbella Bowen (1 out of 1 patent)
Ruth Elaine Lawrence (1 out of 1 patent)
Denise Quackenbush (1 out of 1 patent)
4. Rachel Beth Simon (1 out of 1 patent)
5. Robert Randal Bushey (1 out of 105 patents)
6. John M Martin (1 out of 68 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pacific Bell Telephone. Retrieved from https://idiyas.com/company/pacific-bell-telephone
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]
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]
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]