Inventor · disambiguated record
Duff M. Hay
Also filed as: HAY DUFF M
3 granted patents·2 pending applications·64 citations·filing 1987–2009
73Inventor score
Files withHAY DUFF M5
Top patents by PatentIndex Score
5 records- 0186US7089877B1Standoff mooring barHAY DUFF M·Filed 2005·Granted Aug 15, 2006·23 cites·4 claims
- 0266US4781138AStandoff mooring bar for boatsHAY DUFF M·Filed 1987·Granted Nov 1, 1988·26 cites·11 claims
- 0350US2009182255A1Device and Method for Treating Ear InjuriesHAY DUFF M·Filed 2009·Application pending·0 cites
- 0447US5046442AStandoff mooring bar for boatsHAY DUFF M·Filed 1990·Granted Sep 10, 1991·15 cites·6 claims
- 0546US2008086067A1Ear compression deviceHAY DUFF M·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →