Derrell Weldy (3 out of 3 patents)
Mark L Hamilton (3 out of 17 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
3 Patents
#53 in Orange, CA
#16,867 in California
#73,904 in US
Westpac Materials
Forward Citations = 3
2 inventors:
Orange, CA, United States of America
Westpac Materials
% Expired Patents = 100.0
Forward Citations = 3
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2 inventors (with patents filed for the assignee):
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Westpac Materials. Retrieved from https://idiyas.com/company/westpac-materials
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]