Growing community of inventors

Barrington, IL, United States of America

Richard R Gilbert

Average Co-Inventor Count = 3.69

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 = 117

Richard R GilbertMichael Rellinger (4 patents)Richard R GilbertSara E Green (4 patents)Richard R GilbertJohn Jepsen (3 patents)Richard R GilbertRichard R Gilbert (4 patents)Michael RellingerMichael Rellinger (14 patents)Sara E GreenSara E Green (4 patents)John JepsenJohn Jepsen (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Quartet Manufacturing Company (4 from 12 patents)


4 patents:

1. 5662303 - Portable easel having a hollow body

2. 5478040 - Portable easel

3. D352398 - Easel design

4. 5301477 - Panel system

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as of
1/22/2026
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