Growing community of inventors

Minnetonka, MN, United States of America

Rolf D Ingersoll

Average Co-Inventor Count = 5.00

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

Rolf D IngersollJerome W Lindenfelser (1 patent)Rolf D IngersollRoger M Johnson (1 patent)Rolf D IngersollLarry D McClellan (1 patent)Rolf D IngersollDenis L Larson (1 patent)Rolf D IngersollRolf D Ingersoll (1 patent)Jerome W LindenfelserJerome W Lindenfelser (5 patents)Roger M JohnsonRoger M Johnson (3 patents)Larry D McClellanLarry D McClellan (3 patents)Denis L LarsonDenis L Larson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Photo Control Corporation (1 from 8 patents)


1 patent:

1. 5329325 - Synchronized zoom electronic camera system

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as of
12/19/2025
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