Granted Patent
Utility
US 4,838,495 · App. 07/186,808
Apparatus for starting rotation of tape-supply spool
Inventor:
Ryuichi Murasaki
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Apr 27, 1988
Inventor
Ryuichi Murasaki
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.