For the Inventor, By the Inventor

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Chico, CA, United States of America

Sigma Metalytics LLC

USPTO Granted Patents = 3

EPO Patents = 1

Trademarks = 4

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

David Blau (2 out of 5 patents)

Dave Blau (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 10839633 - Systems and methods for detecting fake or altered bullion, coins, and metal (2020-11-17),

2. 10417855 - Systems and methods for detecting fake or altered bullion, coins, and metal (2019-09-17),

3. 9922487 - Device for use in detecting counterfeit or altered bullion, coins or metal (2018-03-20),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#11 in Chico, CA

#16,430 in California

#72,067 in US

Chico, CA, United States of America

Sigma Metalytics LLC

Forward Citations = 1

2 inventors:

David Blau (2 out of 5 patents)

Dave Blau (1 out of 1 patent)

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