P

Inventor

WEBSTER CHARLES A

US10 patents
⚠️ This page may combine multiple inventors who share the name “WEBSTER CHARLES A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OWENS ILLINOIS CLOSURE INC

3 patents
US6253940B1Jul 3, 2001

Tamper-indicating closure and method of manufacture

OWENS ILLINOIS CLOSURE INC38 citations92
US6119883ASep 19, 2000

Tamper-indicating closure and method of manufacture

OWENS ILLINOIS CLOSURE INC57 citations92
USD404303SJan 19, 1999

Squeeze and turn child resistant closure

OWENS ILLINOIS CLOSURE INC27 citations91

AMERICAN NATIONAL CAN CO

2 patents
US4957211ASep 18, 1990

Vacuum-indicating closure

AMERICAN NATIONAL CAN CO34 citations88
US4881892ANov 21, 1989

Apparatus for making tamper-evident closures

AMERICAN NATIONAL CAN CO18 citations71

WEATHERCHEM CORP

1 patent
US6296130B1Oct 2, 2001

Anti back off screw on closure

WEATHERCHEM CORP70 citations92

PORTOLA PACKAGING INC

1 patent
US7909188B2Mar 22, 2011

Composite lined closure

PORTOLA PACKAGING INC10 citations84

LANDIS PLASTICS INC

1 patent
US4599064AJul 8, 1986

Injection molding apparatus

LANDIS PLASTICS INC13 citations73

MCCORMICK & CO INC

1 patent
US10441101B2Oct 15, 2019

Three door lid and container utilizing the same

MCCORMICK & CO INC4 citations68

WEST PHARM SERV INC

1 patent
US7150847B2Dec 19, 2006

Staged, sequentially separated injection mold

WEST PHARM SERV INC8 citations63