Inventor · disambiguated record

Dale L. Duffel

Also filed as: DUFFEL DALE L

2 granted patents·30 citations·filing 1988–1989

61Inventor score

Technology areasA41G

Files withDUFFEL DALE L2

Top patents by PatentIndex Score

2 records

0143US5060677AMethod for construction of hairpiece and article thereofDUFFEL DALE L·Filed 1988·Granted Oct 29, 1991·18 cites·5 claims
0236US5133370AMethod for construction of hairpiece and article thereofDUFFEL DALE L·Filed 1989·Granted Jul 28, 1992·12 cites·6 claims

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