IP Library › Granted Patent US 4,306,663
Granted Patent Utility
US 4,306,663 · App. 06/173,716

Cassette shell modification and method of assembly and use

Inventors: Anthony L. Gelardi, John A. Gelardi, Robert B. MacLeod, Jr.
Patented Case View Patent ↗
Granted: Dec 22, 1981 Filed: Jul 30, 1980
Inventors
Anthony L. Gelardi
John A. Gelardi
Robert B. MacLeod, Jr.

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Quick Facts
Patent No.
US 4,306,663
App. No.
06/173,716
Filed
1980-07-30
Granted
1981-12-22
Kind
A