Granted Patent
Utility
US 4,385,853 · App. 06/232,865
Arbor for rotary cutting tool
Inventors:
Robert E. Strange, Charles F. Morris
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Feb 9, 1981
Inventors
Robert E. Strange
Charles F. Morris
Assignee (at issue)
Jancy Engineering 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.