Inventor
CHENAULT RAWSON
US9 patents
⚠️ This page may combine multiple inventors who share the name “CHENAULT RAWSON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PORTOLA PACKAGING INC
8 patentsUS5348183ASep 20, 1994
Tamper-evident, initially unitary, fitment and closure
PORTOLA PACKAGING INC67 citations96
USRE36729EJun 13, 2000
Container with curled tamper-evident band to retain closure
PORTOLA PACKAGING INC25 citations92
US5528814AJun 25, 1996
Container with curled tamper-evident band to retain closure
PORTOLA PACKAGING INC27 citations92
US5398836AMar 21, 1995
Container with tamper-evident band having inward bent retainer projection to retain a lid and method of bending said projection
PORTOLA PACKAGING INC34 citations92
US5348184ASep 20, 1994
Unitary tamper-evident fitment and closure assembly
PORTOLA PACKAGING INC51 citations92
US5303838AApr 19, 1994
Frangible fitment for container
PORTOLA PACKAGING INC38 citations92
US5283940AFeb 8, 1994
Method of forming tamper-evident container and closure by curling
PORTOLA PACKAGING INC16 citations81
US5624623AApr 29, 1997
Method of making an inwardly directed projection on a plastic container
PORTOLA PACKAGING INC3 citations62