IP Library › Granted Patent US 4,881,892
Granted Patent Utility
US 4,881,892 · App. 07/255,822

Apparatus for making tamper-evident closures

Inventors: Charles A. Webster, Christian J. John
Patented Case View Patent ↗
Granted: Nov 21, 1989 Filed: Oct 11, 1988
Inventors
Charles A. Webster
Christian J. John
Assignee (at issue)
American National Can Company

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Quick Facts
Patent No.
US 4,881,892
App. No.
07/255,822
Filed
1988-10-11
Granted
1989-11-21
Kind
A