Maynard, MA, United States of America

Charles M Grandgent

This inventor holds 3 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Polycom, Inc., Voyant Technologies, Inc.. Active years: 2004-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles M Grandgent. Retrieved from https://idiyas.com/inventor/charles-m-grandgent

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


% Patents Active = 100.0



Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 2004-2013

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3 patents (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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