Granted Patent
Utility
US 4,738,570 · App. 06/818,115
Rotary slot cutting tools
Inventor:
Seev Wertheimer
Patented Case
View Patent ↗
Granted: Apr 19, 1988
Filed: Jan 10, 1986
Inventor
Seev Wertheimer
Assignee (at issue)
Iscar, Ltd.
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.