IP Library Granted Patent US 4,658,318
Granted Patent Utility
US 4,658,318 · App. 06/440,336

Magnetic disk cartridge having improved locking mechanism and ringing pad

Inventors: Randall C. Bauck, Anton J. Radman, Roy Thornock, Robert D. Freeman, Peter Kleczkowski, Paul D. Losee, Michael R. Lyon
Patented Case View Patent ↗
Granted: Apr 14, 1987 Filed: Nov 9, 1982
Inventors
Randall C. Bauck
Anton J. Radman
Roy Thornock
Robert D. Freeman
Peter Kleczkowski
Paul D. Losee
Michael R. Lyon
Assignee (at issue)
IO-Mega Holding Corporation

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

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Quick Facts
Patent No.
US 4,658,318
App. No.
06/440,336
Filed
1982-11-09
Granted
1987-04-14
Kind
A