Growing community of inventors

Rockford, IL, United States of America

Richard D Barnes

Average Co-Inventor Count = 1.50

ph-index = 4

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 = 157

Richard D BarnesStanley J Valiulis (2 patents)Richard D BarnesJoseph W Donnelli (2 patents)Richard D BarnesRichard D Barnes (6 patents)Stanley J ValiulisStanley J Valiulis (14 patents)Joseph W DonnelliJoseph W Donnelli (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Southern Imperial, Inc. (6 from 148 patents)


6 patents:

1. 4452360 - Hanger assembly with U-shaped hanger

2. D272414 - Hanger bracket for use with a perforated panel

3. 4394909 - Guard for a hanger assembly

4. D268095 - Pegboard hook guard

5. 4201255 - Machine for threading fasteners into workpieces

6. 4113109 - Merchandising system for use with perforated panels or the like

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as of
12/18/2025
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