Granted Patent
Utility
US 4,583,270 · App. 06/485,368
Rasp handle
Inventor:
Robert V. Kenna
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Apr 15, 1983
Inventor
Robert V. Kenna
Assignee (at issue)
Pfizer Hospital Products Group, Inc.
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.