Growing community of inventors

Ross, CA, United States of America

Richard C Hannum

Average Co-Inventor Count = 1.20

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 12

Richard C HannumRandall B Shepard (1 patent)Richard C HannumRichard C Hannum (3 patents)Randall B ShepardRandall B Shepard (9 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Mcguire Furniture Company (3 from 69 patents)


3 patents:

1. D372610 - Support for furniture

2. D367194 - Support for furniture

3. 5480689 - Decorative sleeve for furniture leg

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as of
12/19/2025
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