Growing community of inventors

Sidney, NE, United States of America

Michael Callahan

Average Co-Inventor Count = 4.00

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 = 1

Michael CallahanRonald D Nelson (1 patent)Michael CallahanRoger C Verhulst (1 patent)Michael CallahanJeffrey S Phelps (1 patent)Michael CallahanMichael Callahan (1 patent)Ronald D NelsonRonald D Nelson (13 patents)Roger C VerhulstRoger C Verhulst (4 patents)Jeffrey S PhelpsJeffrey S Phelps (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cabela's Incorporated (1 from 62 patents)


1 patent:

1. 6173463 - Cot accessory

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as of
12/20/2025
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