Granted Patent
Utility
US 4,969,779 · App. 07/474,496
Cutting insert
Inventor:
Alex Barten
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Feb 2, 1990
Inventor
Alex Barten
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.