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For the Inventor, By the Inventor

Saline, MI, United States of America

Dht Ventures, LLC


USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

goldMedal Dennis F Marr (2 out of 2 patents)

silverMedal Tracy Vaughn Petersen (1 out of 3 patents)


2 patents:

1. D839711 - Rotary knob (2019-02-05),
2. 10109944 - Protective guard for a wall-mounted electrical interface and method for using the same (2018-10-23),
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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#20 in Saline, MI

#3,186 in Michigan

#94,722 in US

Saline, MI (US)
Saline, MI, United States of America

Dht Ventures, LLC

Forward Citations = 1

2 inventors:

goldMedal Dennis F Marr (2 out of 2 patents)

silverMedal Tracy Vaughn Petersen (1 out of 3 patents)

Please report any incorrect information to [email protected]
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