Inventor · disambiguated record
Douglas G. Schaefer
Also filed as: SCHAEFER DOUGLAS G
5 granted patents·24 citations·filing 2004–2007
74Inventor score
Top patents by PatentIndex Score
5 records- 0170US8469230B2Product delivery and discharge system for a vending machinePERKINS JAY F·Filed 2007·Granted Jun 25, 2013·6 cites·21 claims
- 0259US7152757B2Can and bottle dispenserMAYTAG CORP·Filed 2004·Granted Dec 26, 2006·11 cites·16 claims
- 0348USD522701STank for a floor care applianceHOOVER CO·Filed 2004·Granted Jun 6, 2006·7 cites·1 claims
- 0429USD523600STank for a floor care applianceHOOVER CO·Filed 2004·Granted Jun 20, 2006·0 cites·1 claims
- 0527USD520693STool caddyHOOVER CO·Filed 2004·Granted May 9, 2006·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →