Inventor · disambiguated record
Charles A. Pfretzschner
Also filed as: PFRETZSCHNER CHARLES A
3 granted patents·204 citations·filing 1994–1999
76Inventor score
Technology areasA47K
Top patents by PatentIndex Score
3 records- 0189US5992430AAutomatic hand washing and drying apparatus including combined blow drying means, towel dispensing means and waste disposal means144 LIMITED PARTNERSHIP·Filed 1998·Granted Nov 30, 1999·99 cites·33 claims
- 0288US6131587AHand washing and drying apparatus and system including waste disposal apparatus and method144 LTD PARTNERSHIP·Filed 1999·Granted Oct 17, 2000·101 cites·11 claims
- 0329USD365663SRazor headDWORK KAY G·Filed 1994·Granted Dec 26, 1995·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →