Growing community of inventors

Palmyra, PA, United States of America

Ray A Berger

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 = 4

Ray A BergerDavid H Foster (1 patent)Ray A BergerRay A Berger (1 patent)David H FosterDavid H Foster (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,761 patents)


1 patent:

1. 5293185 - Eyeglass frame permitting interchanging of lenses

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as of
12/17/2025
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