Granted Patent
Utility
US 4,656,534 · App. 06/838,218
Anti-adhesion device for magnetic tape drive
Inventors:
Robert D. Emmerich, Leslie G. Christie, Jr.
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Mar 10, 1986
Inventors
Robert D. Emmerich
Leslie G. Christie, Jr.
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.