Granted Patent
Utility
US 4,699,549 · App. 06/871,117
Insert rotary cutter
Inventors:
Hiroshi Shimomura, Sueji Takaya, Kazuo Iizuka
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Jun 5, 1986
Inventors
Hiroshi Shimomura
Sueji Takaya
Kazuo Iizuka
Assignee (at issue)
Mitsubishi Kinzoku 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.