Granted Patent
Utility
US 4,644,521 · App. 06/765,426
Optical memory cartridge and drive apparatus
Inventors:
Marvin B. Davis, Michael V. Konshak, Christopher Pollard
Patented Case
View Patent ↗
Granted: Feb 17, 1987
Filed: Aug 14, 1985
Inventors
Marvin B. Davis
Michael V. Konshak
Christopher Pollard
Assignee (at issue)
Laser Magnetic Storage International Company
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.