Inventor · disambiguated record
Alvin Coughenour
Also filed as: COUGHENOUR ALVIN · COUGHENOUR JR ALVIN F
2 granted patents·1 pending application·7 citations·filing 2009–2013
54Inventor score
Top patents by PatentIndex Score
3 records- 0167US8429803B2Dual purpose dimple for HVAC circular ductworkCOUGHENOUR ALVIN·Filed 2009·Granted Apr 30, 2013·5 cites·5 claims
- 0263US8973954B2Dual purpose dimple for HVAC circular ductworkCOUGHENOUR ALVIN·Filed 2013·Granted Mar 10, 2015·2 cites·4 claims
- 0333US2012192495A1Access Door for Circular Cross-Section DuctworkCOUGHENOUR JR ALVIN F·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →