Growing community of inventors

Chadds Ford, PA, United States of America

H Randolph Roehl

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 = 1

H Randolph RoehlHelen M Doherty (1 patent)H Randolph RoehlH Randolph Roehl (1 patent)Helen M DohertyHelen M Doherty (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sunoco, Inc. (1 from 6 patents)


1 patent:

1. 7270687 - Reduced emissions transportation fuel

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/13/2025
Loading…