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For the Inventor, By the Inventor

Grafton, WI, United States of America

Densen Common, Incorporated


USPTO Granted Patents = 1

Forward Citations = 16

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1 inventor (with patents filed for the assignee):

goldMedal Dennis E Johnson (1 out of 14 patents)


1 patent:

1. 4118868 - Child height gauge (1978-10-10),
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USPTO Data Jan 1 1976 - Sep 15 2026

1 Patents

#16 in Grafton, WI

#2,653 in Wisconsin

#136,850 in US

Grafton, WI (US)
Grafton, WI, United States of America

Densen Common, Incorporated

Forward Citations = 16

1 inventor:

goldMedal Dennis E Johnson (1 out of 14 patents)

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