Dave Blau

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Chico, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for detecting fake or altered bullion, coins, a...
- Patent number 10,839,633
- Issue date Nov 17, 2020
- SIGMA METALYTICS LLC
- David Arthur Blau
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems and methods for detecting fake or altered bullion, coins, a...
- Patent number 10,417,855
- Issue date Sep 17, 2019
- SIGMA METALYTICS LLC
- David Arthur Blau
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device for use in detecting counterfeit or altered bullion, coins o...
- Patent number 9,922,487
- Issue date Mar 20, 2018
- SIGMA METALYTICS, LLC
- Dave Blau
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR DETECTING FAKE OR ALTERED BULLION, COINS, A...
- Publication number 20190371107
- Publication date Dec 5, 2019
- Sigma Metalytics LLC
- David Arthur Blau
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS AND METHODS FOR DETECTING FAKE OR ALTERED BULLION, COINS, A...
- Publication number 20170206728
- Publication date Jul 20, 2017
- Sigma Metalytics LLC
- David Arthur Blau
- G01 - MEASURING TESTING
Information Patent Application
DEVICE FOR USE IN DETECTING COUNTERFEIT OR ALTERED BULLION, COINS O...
- Publication number 20150070035
- Publication date Mar 12, 2015
- Blau Product Development, Inc.
- Dave Blau
- G01 - MEASURING TESTING