Growing community of inventors

Greensboro, NC, United States of America

John Martin Schaefer

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 = 0

John Martin SchaeferGerald Boyd Zinnbauer (1 patent)John Martin SchaeferLee Patrick Ward (1 patent)John Martin SchaeferJohn Martin Schaefer (1 patent)Gerald Boyd ZinnbauerGerald Boyd Zinnbauer (22 patents)Lee Patrick WardLee Patrick Ward (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,966 patents)


1 patent:

1. 10479450 - Double seal kayak hatch

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/18/2026
Loading…