Granted Patent
Utility
US 4,685,440 · App. 06/832,350
Rotary dressing tool
Inventor:
Warren J. Owens
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: Feb 24, 1986
Inventor
Warren J. Owens
Assignee (at issue)
Wheel Trueing Tool 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.