Granted Patent
Utility
US 4,569,492 · App. 06/615,875
Tape cassette pressure flap assembly
Inventors:
Anthony L. Gelardi, Paul J. Gelardi, Robert B. MacLeod, Jr.
Patented Case
View Patent ↗
Granted: Feb 11, 1986
Filed: May 31, 1984
Inventors
Anthony L. Gelardi
Paul J. Gelardi
Robert B. MacLeod, Jr.
Assignee (at issue)
Shape Corp.
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.