Inventor
CHENAULT RAWSON L
US7 patents
Patents
7 patentsUS5512228AApr 30, 1996
Unitary tamper-evident fitment and closure assembly
PORTOLA PACKAGING INC52 citations96
US5810184ASep 22, 1998
Fitment having removable membrane
PORTOLA PACKAGING INC63 citations95
US5573134ANov 12, 1996
Container with curled tamper-evident band to retain closure
PORTOLA PACKAGING INC64 citations95
US5915574AJun 29, 1999
Fitment having removable membrane
PORTOLA PACKAGING INC42 citations92
US5887738AMar 30, 1999
Foil lined snap-on, screw-off closure and container neck
PORTOLA PACKAGING INC21 citations92
US5678719AOct 21, 1997
Unitary tamper-evident fitment and closure assembly
PORTOLA PACKAGING INC32 citations92
US5664694ASep 9, 1997
Foil lined snap-on, screw-off closure and container neck
PORTOLA PACKAGING INC34 citations92