Growing community of inventors

Atlanta, GA, United States of America

John C DePass

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

John C DePassWilliam T Ehlers (2 patents)John C DePassJohn C DePass (2 patents)William T EhlersWilliam T Ehlers (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanford Gmbh (2 from 386 patents)


2 patents:

1. D1011423 - Writing instrument

2. D945527 - Writing instrument

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/22/2026
Loading…