Growing community of inventors

Pottstown, PA, United States of America

Karen Marvin

Average Co-Inventor Count = 3.00

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 = 5

Karen MarvinMichael David Nunn (2 patents)Karen MarvinRobert Clauser (2 patents)Karen MarvinJohn D Snider (1 patent)Karen MarvinAlfred F Bergeron (1 patent)Karen MarvinKenneth B Wood (1 patent)Karen MarvinChris Carmine (1 patent)Karen MarvinKaren Marvin (3 patents)Michael David NunnMichael David Nunn (27 patents)Robert ClauserRobert Clauser (23 patents)John D SniderJohn D Snider (12 patents)Alfred F BergeronAlfred F Bergeron (12 patents)Kenneth B WoodKenneth B Wood (8 patents)Chris CarmineChris Carmine (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mei, Inc. (3 from 79 patents)

2. Crane Payment Innovations Gmbh (51 patents)


3 patents:

1. 8864126 - Document storage assembly

2. 8695977 - Apparatus and method for triple-gate diverter

3. 8695778 - Modular security gate

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as of
1/2/2026
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