Granted Patent
Utility
US 6,065,910 · App. 09/110,850
Gear shaper cutting method and apparatus
Inventors:
Tsuneo Egawa, Masakatsu Fujita, Hisashi Kubokawa, Akihide Kakutani, Yoshiharu Tonohara
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Jul 7, 1998
Inventors
Tsuneo Egawa
Masakatsu Fujita
Hisashi Kubokawa
Akihide Kakutani
Yoshiharu Tonohara
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.