Granted Patent
Utility
US 4,656,541 · App. 06/690,807
Front loading cartridge activated clamp and eject mechanism
Inventors:
Michael J. Rhyner, Walter L. Auyer
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Jan 11, 1985
Inventors
Michael J. Rhyner
Walter L. Auyer
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.