Wilmington, DE, United States of America

Fred Max Sonnenberg

This inventor holds 1 USPTO granted patent. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fred Max Sonnenberg. Retrieved from https://idiyas.com/inventor/fred-max-sonnenberg-1geup6i1

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 29(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents
Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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