Growing community of inventors

Silver Lake, KS, United States of America

Edward Kohake

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 = 7

Edward KohakeJohn T Butler (1 patent)Edward KohakeEdward Kohake (1 patent)John T ButlerJohn T Butler (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,680 patents)


1 patent:

1. 4824054 - Railroad switch stand

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12/5/2025
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