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For the Inventor, By the Inventor

Lancaster, VA, United States of America

Opti Sensor Systems, LLC


USPTO Granted Patents = 3

% Expired Patents = 100.0

Forward Citations = 48

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1 inventor (with patents filed for the assignee):

goldMedal Alvin R Wirthlin (3 out of 17 patents)


3 patents:

1. 7259383 - Optical transducer for detecting liquid level (2007-08-21),
2. 7161165 - Optical transducer for continuously determining liquid level (2007-01-09),
3. 7109512 - Optical transducer for detecting liquid level and electrical circuit therefor (2006-09-19),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#1 in Lancaster, VA

#1,328 in Virginia

#73,766 in US

Lancaster, VA (US)
Lancaster, VA, United States of America

Opti Sensor Systems, LLC

Forward Citations = 48

1 inventor:

goldMedal Alvin R Wirthlin (3 out of 17 patents)

Please report any incorrect information to [email protected]
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