Granted Patent
Utility
US 5,338,617 · App. 07/983,210
Radio frequency absorbing shield and method
Inventors:
David M. Workinger, Robert D. Fraser
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Nov 30, 1992
Inventors
David M. Workinger
Robert D. Fraser
Assignee (at issue)
Motorola, 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.