Inventor · disambiguated record
Frank L. Sprowl
Also filed as: SPROWL FRANK L
6 granted patents·152 citations·filing 1992–1997
86Inventor score
Files withOWENS ILLINOIS CLOSURE INC6
Top patents by PatentIndex Score
6 records- 0169US5650113AMethod of making plastic beverage closureOWENS ILLINOIS CLOSURE INC·Filed 1995·Granted Jul 22, 1997·38 cites·15 claims
- 0269US5265747APlastic beverage closureOWENS ILLINOIS CLOSURE INC·Filed 1992·Granted Nov 30, 1993·27 cites·32 claims
- 0364US5443171ATamper indicating packageOWENS ILLINOIS CLOSURE INC·Filed 1993·Granted Aug 22, 1995·27 cites·12 claims
- 0463US5690882AMethod for making a tamper indicating packageOWENS ILLINOIS CLOSURE INC·Filed 1995·Granted Nov 25, 1997·22 cites·3 claims
- 0561US5462187APlastic beverage closureOWENS ILLINOIS CLOSURE INC·Filed 1993·Granted Oct 31, 1995·24 cites·12 claims
- 0651US5924586APlastic closure with compression molded linerOWENS ILLINOIS CLOSURE INC·Filed 1997·Granted Jul 20, 1999·14 cites·33 claims
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