Granted Patent
Utility
US 6,054,647 · App. 08/979,190
Grid material for electromagnetic shielding
Inventor:
Jerry W. Ridener
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Nov 26, 1997
Inventor
Jerry W. Ridener
Assignee (at issue)
National Standard 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.