Inventor · disambiguated record

Betty J. Winfrey

Also filed as: WINFREY BETTY J

2 granted patents·108 citations·filing 1990–1991

68Inventor score

Technology areasB65F

Files withSMITH DONALD D1 WINFREY BETTY J1

Top patents by PatentIndex Score

2 records

0182US5072852AReceptacle with improved features for facilitating separating of recyclable trashSMITH DONALD D·Filed 1990·Granted Dec 17, 1991·77 cites·8 claims
0255US5167343AReceptacle for facilitating recyclable trash separationWINFREY BETTY J·Filed 1991·Granted Dec 1, 1992·31 cites·9 claims

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