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High Point, NC, United States of America

David S Hoffman

This inventor holds 5 USPTO granted patents. Top assignees: Royal Development Company, Inc., Shermag Inc., Other. Active years: 1980-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David S Hoffman. Retrieved from https://idiyas.com/inventor/david-s-hoffman-zck52hze

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

USPTO Granted Patents = 5

% Patents Active = 80.0

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 107(Granted Patents)

Company Filing History:

Royal Development Company, Inc.

1 out of 834,570

Other

patents

Years Active: 1980-2003

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6648418 - Collapsible footrest assembly for a gliding ottoman (2003-11-18),

2. 4357049 - One-way recliner chair (1982-11-02),

3. 4337977 - Three-way handle-operated wall-avoiding recliner chair (1982-07-06),

4. 4226469 - Recliner chair with wall-avoiding action (1980-10-07),

5. 4188062 - Handle-operated wall-avoiding recliner chair with headrest (1980-02-12),

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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