IP Library › Granted Patent US 4,834,238
Granted Patent Utility
US 4,834,238 · App. 07/117,310

Cassette security package

Inventors: Bruce A. Hehn, James T. Weisburn
Patented Case View Patent ↗
Granted: May 30, 1989 Filed: Nov 6, 1987
Inventors
Bruce A. Hehn
James T. Weisburn
Assignee (at issue)
Alpha Enterprises, Inc.

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Quick Facts
Patent No.
US 4,834,238
App. No.
07/117,310
Filed
1987-11-06
Granted
1989-05-30
Kind
A