Growing community of inventors

Woodbury, MN, United States of America

Charles Swanson

Average Co-Inventor Count = 6.00

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 = 8

Charles SwansonDale R Duvall (2 patents)Charles SwansonPatrick J Gilligan (2 patents)Charles SwansonRoger M Johnson (2 patents)Charles SwansonJerry W Lindenfelser (2 patents)Charles SwansonLarry D McClellan (1 patent)Charles SwansonLarry D McClelland (1 patent)Charles SwansonCharles Swanson (2 patents)Dale R DuvallDale R Duvall (11 patents)Patrick J GilliganPatrick J Gilligan (6 patents)Roger M JohnsonRoger M Johnson (3 patents)Jerry W LindenfelserJerry W Lindenfelser (2 patents)Larry D McClellanLarry D McClellan (3 patents)Larry D McClellandLarry D McClelland (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Photo Control Corporation (2 from 8 patents)


2 patents:

1. 5812895 - Camera with negative identification system

2. 5294950 - Identification system for automated film and order processing including

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as of
12/19/2025
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