Growing community of inventors

Racine, WI, United States of America

David R Sheppard

Average Co-Inventor Count = 3.00

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 = 6

David R SheppardGeoffrey B Rench (1 patent)David R SheppardFrank Jolly (1 patent)David R SheppardDavid R Sheppard (1 patent)Geoffrey B RenchGeoffrey B Rench (9 patents)Frank JollyFrank Jolly (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Racine Industries, Inc. (1 from 19 patents)


1 patent:

1. 5404609 - Carpet cleaning machine with enhanced user features

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