Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Irreversible tamper indicator for mechanical button cap

Irreversible tamper indicator for mechanical button cap

US Patent 5074424 · Granted Dec 24, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Gutter-locking gutter protection2013
Hanger for rain gutter device2011
Tamper-indicating closure2001
Push pull dispensing closure1999
Closure with irreversible color change system1995
Tamper indicating means for vacuum closures1994
Mechanical button and button enhancement techniques1992
Closure cap having tamper indicating means1991
Plastic closure with safety button and method of forming same1991
Closure with high energy button1991
Plastic cap with breakaway tamper band and method of forming same1991