IDiyas’s Digital Inventor Badge (DIB) showcases an inventor’s inventive prowess in granted patents across Utility, Design, and Plant patents. The data has been tracked since January 1, 1976, and refreshed each Tuesday. The data benchmarks an inventor’s prolificness to other inventors in their city, state, country, and the world. The badge reflects an inventor’s success in granted patents across their career.

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USPTO Data Jan 1 1976 - Dec 2 2025

22 Utility Patents

#361 in Menlo Park, CA

#21,749 in California

#75,267 in US

#147,706 in the World

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Menlo Park, CA, United States of America

David Aaron Randolph Barkhouse

Forward Citations = 26

Company Filing History:

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