Growing community of inventors

Compton, CA, United States of America

Franklin D Roberts

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 = 11

Franklin D RobertsMartin A Spiegel (1 patent)Franklin D RobertsFranklin D Roberts (1 patent)Martin A SpiegelMartin A Spiegel (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mr. Gasket Co. (1 from 27 patents)


1 patent:

1. 4511183 - Steel wheel with decorative cover

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1/10/2026
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