Granted Patent
Utility
US 4,529,339 · App. 06/479,134
Cutter insert
Inventors:
Hiroshi Shimomura, Tatsuo Arai
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: Mar 25, 1983
Inventors
Hiroshi Shimomura
Tatsuo Arai
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.