Granted Patent
Utility
US 5,583,318 · App. 08/176,566
Multi-layer shield for absorption of electromagnetic energy
Inventor:
Thomas A. Powell
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: Dec 30, 1993
Inventor
Thomas A. Powell
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.