Granted Patent
Utility
US 6,689,232 · App. 09/800,989
Copper alloy
Inventor:
Ashok K. Bhargava
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Mar 7, 2001
Inventor
Ashok K. Bhargava
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.