Growing community of inventors

Corry, PA, United States of America

David Groh

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 = 31

David GrohNorman P Wittig (1 patent)David GrohDavid Groh (1 patent)Norman P WittigNorman P Wittig (6 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Erie Plastics Corporation (1 from 6 patents)

2. Mike Schecter Associates, Inc. (1 from 1 patent)


1 patent:

1. 4795028 - Combination beverage package

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as of
12/19/2025
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