Granted Patent
Utility
US 4,341,426 · App. 06/199,485
Clamp-up device for roll neck bearings
Inventor:
James R. Clapp
Patented Case
View Patent ↗
Granted: Jul 27, 1982
Filed: Oct 22, 1980
Inventor
James R. Clapp
Assignee (at issue)
THE TIMKEN 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.