Growing community of inventors

Austin, TX, United States of America

Fred Ervin Zumwalt

Average Co-Inventor Count = 4.00

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 = 15

Fred Ervin ZumwaltDanny Marvin Neal (1 patent)Fred Ervin ZumwaltRoy A Rachui (1 patent)Fred Ervin ZumwaltJames Robert Taylor (1 patent)Fred Ervin ZumwaltFred Ervin Zumwalt (1 patent)Danny Marvin NealDanny Marvin Neal (92 patents)Roy A RachuiRoy A Rachui (12 patents)James Robert TaylorJames Robert Taylor (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (1 from 164,244 patents)


1 patent:

1. 6033254 - Locating and guidance device for printed circuit boards

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/9/2026
Loading…