% Expired Patents = 50.0

Forward Citations = 7

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4 inventors (with patents filed for the assignee):

John Ferrero (2 out of 2 patents)

Hugh Smith (1 out of 7 patents)

Robert M Hulle (1 out of 1 patent)

4. Gerard Pannullo (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6662652 - Altimeter having correctable digitizer and method of use (2003-12-16),

2. 4034460 - Method of forming an optical grating (1977-07-12),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#68 in Van Nuys, CA

#20,999 in California

#94,782 in US

Van Nuys, CA, United States of America

Trans-Cal Industries, Inc.

Forward Citations = 7

4 inventors:

John Ferrero (2 out of 2 patents)

Hugh Smith (1 out of 7 patents)

Robert M Hulle (1 out of 1 patent)

4. Gerard Pannullo (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Trans-Cal Industries, Inc.. Retrieved from https://idiyas.com/company/trans-cal-industries

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]