Granted Patent
Utility
US 6,286,406 · App. 09/249,474
Injection molded carbide cutting insert
Inventors:
Ramamurthy Viswanadham, Carl Shumaker, David Brutscher, Donald C. Pennington, Jr.
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Feb 12, 1999
Inventors
Ramamurthy Viswanadham
Carl Shumaker
David Brutscher
Donald C. Pennington, Jr.
Assignee (at issue)
Credo Tool 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.