Growing community of inventors

Geyserville, CA, United States of America

John S Speicher

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 = 37

John S SpeicherAllan Alfred Voigt (1 patent)John S SpeicherChe-Ram S Voigt (1 patent)John S SpeicherCharles R Ericson (1 patent)John S SpeicherJohn S Speicher (1 patent)Allan Alfred VoigtAllan Alfred Voigt (24 patents)Che-Ram S VoigtChe-Ram S Voigt (9 patents)Charles R EricsonCharles R Ericson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Versatron, Inc. (1 from 12 patents)


1 patent:

1. 6446906 - Fin and cover release system

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/9/2025
Loading…