Growing community of inventors

Hartland, WI, United States of America

James Hagen

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 = 31

James HagenKlaus Fromme (1 patent)James HagenJames Hagen (1 patent)Klaus FrommeKlaus Fromme (9 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Delta Development Group Internat'l., Inc. (1 from 1 patent)


1 patent:

1. 4455703 - Dockboard assembly

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