Granted Patent
Utility
US 4,521,819 · App. 06/432,573
Cartridge load mechanism
Inventors:
John W. Elsing, Gene F. Gorham, Steven Knopp
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Oct 4, 1982
Inventors
John W. Elsing
Gene F. Gorham
Steven Knopp
Assignee (at issue)
Magnetic Peripherals, Inc.
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.