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For the Inventor, By the Inventor

Waterford, MI, United States of America

Greycell, LLC


USPTO Granted Patents = 2

% Expired Patents = 100.0

Forward Citations = 10

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2 inventors (with patents filed for the assignee):

goldMedal Tony Lee Koenigsknecht (2 out of 24 patents)

silverMedal Andrew W Baur (2 out of 25 patents)


2 patents:

1. 8145382 - Entertainment system including a vehicle (2012-03-27),
2. 7657358 - Entertainment system including a vehicle with a simulation mode (2010-02-02),
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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#11 in Waterford, MI

#3,186 in Michigan

#94,730 in US

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

Greycell, LLC

Forward Citations = 10

2 inventors:

goldMedal Tony Lee Koenigsknecht (2 out of 24 patents)

silverMedal Andrew W Baur (2 out of 25 patents)

Please report any incorrect information to [email protected]
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