David Blau (2 out of 5 patents)
Dave Blau (1 out of 1 patent)
David Arthur Blau (16 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
3 Patents
#12 in Chico, CA
#16,858 in California
#73,860 in US
Sigma Metalytics LLC
Forward Citations = 1
2 inventors:
Chico, CA, United States of America
Sigma Metalytics LLC
EPO Patents = 2
Forward Citations = 1
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2 inventors (with patents filed for the assignee):
3 patents:
1. 10839633 - Systems and methods for detecting fake or altered bullion, coins, and metal (2020-11-17),
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sigma Metalytics LLC. Retrieved from https://idiyas.com/company/sigma-metalytics
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]
2 patents (EPO):
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]