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For the Inventor, By the Inventor

Rockford, IL, United States of America

Advanced Racing Systems, Inc.


USPTO Granted Patents = 1

% Expired Patents = 100.0

Forward Citations = 1

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1 inventor (with patents filed for the assignee):

goldMedal Stephen W Schwitters (1 out of 10 patents)


1 patent:

1. 8267057 - Continuously variable valve lift for internal combustion engine (2012-09-18),
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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#130 in Rockford, IL

#6,189 in Illinois

#136,596 in US

Rockford, IL (US)
Rockford, IL, United States of America

Advanced Racing Systems, Inc.

Forward Citations = 1

1 inventor:

goldMedal Stephen W Schwitters (1 out of 10 patents)

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