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 - Sep 30 2025

6 Utility and 6 Design Patents

#7 in Rising Sun, MD

#4,884 in Maryland

#334,036 in US

#688,422 in the World

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Rising Sun, MD, United States of America

John W Spencer, Jr

Forward Citations = 278

Company Filing History:

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