Granted Patent
Utility
US 5,040,435 · App. 07/648,884
Knife edge deburring apparatus
Inventor:
Ronald W. Millman
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Jan 31, 1991
Inventor
Ronald W. Millman
Assignee (at issue)
General Housewares Corporation
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.