Granted Patent
Utility
US 5,136,522 · App. 07/538,811
Stock dividing method and apparatus for gear manufacturing machine
Inventor:
John M. Loehrke
Patented Case
View Patent ↗
Granted: Aug 4, 1992
Filed: Jun 13, 1990
Inventor
John M. Loehrke
Assignee (at issue)
THE GLEASON WORKS
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.