Granted Patent
Utility
US 6,742,971 · App. 10/079,629
Cutting insert
Inventor:
Nelson Pao Chung Tong
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Feb 19, 2002
Inventor
Nelson Pao Chung Tong
Assignee (at issue)
Manchester Tool Company
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.