Growing community of inventors

Dousman, WI, United States of America

Spencer C Schantz, Deceased

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 = 4

Spencer C Schantz, Deceased ↔ Kenyon A Hapke (1 patent)Spencer C Schantz, Deceased ↔ David M Howie (1 patent)Spencer C Schantz, Deceased ↔ David Koth (1 patent)Spencer C Schantz, DeceasedSpencer C Schantz, Deceased (1 patent)Kenyon A HapkeKenyon A Hapke (45 patents)David M HowieDavid M Howie (7 patents)David KothDavid Koth (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. U.S. Controls Corporation (1 from 18 patents)


1 patent:

1. 5941374 - Self-adjusting lid switch with dampening element

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as of
12/19/2025
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