David Ridyard

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Novato, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of determining subsurface properties using multifrequency el...
- Patent number 10,830,915
- Issue date Nov 10, 2020
- EM Locator Technology, LLC
- Franz Van de Kop
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CONTINUOUS SEISMIC DATA ACQUISITION HAVING VARIABLE DENSITY SOURCE...
- Publication number 20230184978
- Publication date Jun 15, 2023
- ACTeQ LLC
- David Ridyard
- G01 - MEASURING TESTING
Information Patent Application
CONTINUOUS SEISMIC DATA ACQUISITION HAVING VARIABLE DENSITY SOURCE...
- Publication number 20230184979
- Publication date Jun 15, 2023
- ACTeQ LLC
- David Ridyard
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF DETERMINING SUBSURFACE PROPERTIES USING MULTIFREQUENCY EL...
- Publication number 20190235102
- Publication date Aug 1, 2019
- EM Locator Technology, LLC
- Franz Van de Kop
- G01 - MEASURING TESTING