Growing community of inventors

Pella, IA, United States of America

James R Dugger

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 3

James R DuggerTim Erwin Wolf (1 patent)James R DuggerJames R Dugger (1 patent)Tim Erwin WolfTim Erwin Wolf (9 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Precision Pulley & Idler Co. (1 from 1 patent)


1 patent:

1. 6659228 - Apparatus for greasing rollers of conveyor belt systems

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12/27/2025
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