Granted Patent
Utility
US 4,236,304 · App. 05/974,612
Device for spreading apart a pair of tapes
Inventor:
Toyoo Morita
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Dec 29, 1978
Inventor
Toyoo Morita
Assignee (at issue)
Yoshida Kogyo K.K.
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.