Granted Patent
Utility
US 4,262,315 · App. 06/066,736
Tape cassette turn-over mechanism
Inventor:
Werner H. Puls
Patented Case
View Patent ↗
Granted: Apr 14, 1981
Filed: Aug 15, 1979
Inventor
Werner H. Puls
Assignee (at issue)
Zenith Radio Corporation
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.