Growing community of inventors

Franklin, PA, United States of America

William J Donovan

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 = 8

William J Donovan ↔ G Robert Frey (1 patent)William J DonovanWilliam J Donovan (1 patent)G Robert FreyG Robert Frey (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Joy Manufacturing Company (1 from 171 patents)


1 patent:

1. 3937517 - Protective canopy

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/19/2025
Loading…