Granted Patent
Utility
US 5,986,700 · App. 08/717,189
Recording operation control device
Inventor:
Yoshio Wakui
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Sep 20, 1996
Inventor
Yoshio Wakui
Assignee (at issue)
Asahi Kogaku Kogyo Kabushiki Kaisha
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.