Granted Patent
Utility
US 5,607,522 · App. 08/439,259
Method of making electrical contact material
Inventor:
Donald G. McDonnell
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: May 11, 1995
Inventor
Donald G. McDonnell
Assignee (at issue)
Texas Instruments Incorporated
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.