Granted Patent
Utility
US 5,560,238 · App. 08/344,090
Thread rolling monitor
Inventors:
Gene E. Allebach, Dennis N. Roush
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: Nov 23, 1994
Inventors
Gene E. Allebach
Dennis N. Roush
Assignee (at issue)
NATIONAL MACHINE COMPANY
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.