Growing community of inventors

Pensacola Beach, FL, United States of America

John R Chamberlin

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 29

John R ChamberlinJohn M Chamberlin (2 patents)John R ChamberlinJohn R Chamberlin (2 patents)John M ChamberlinJohn M Chamberlin (9 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (2 from 832,761 patents)


2 patents:

1. 4932703 - Truck bed extension

2. 4437481 - Self-actuating drip valve

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as of
12/17/2025
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