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

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75 Utility Patents

#4 in Pleasant Hill, CA

#3,108 in California

#9,435 in US

#17,268 in the World

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Pleasant Hill, CA, United States of America

Duncan J Maitland

Forward Citations = 871

Company Filing History:

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