Individual holder
WIRTHLIN ALVIN R
US·2 granted patents·2 pending applications·56 citations·filing 2012–2014
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0195US9464953B2System and method for gauging safe towing parametersWIRTHLIN ALVIN R·Filed 2012·Granted Oct 11, 2016·38 cites·33 claims
- 0294US9068875B1Optical liquid level transducerWIRTHLIN ALVIN R·Filed 2012·Granted Jun 30, 2015·18 cites·22 claims
- 0350US2014342319A1Educational Game for MathWIRTHLIN ALVIN R·Filed 2014·Application pending·0 cites
- 0438US2013253814A1System and Method for Gauging Safe Towing ParametersWIRTHLIN ALVIN R·Filed 2013·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when WIRTHLIN ALVIN R files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →