Granted Patent
Utility
US 4,947,235 · App. 07/312,800
Integrated circuit shield
Inventors:
Norman J. Roth, Robert James Wallace, Domenica N. Hartman
Patented Case
View Patent ↗
Granted: Aug 7, 1990
Filed: Feb 21, 1989
Inventors
Norman J. Roth
Robert James Wallace
Domenica N. Hartman
Assignee (at issue)
DELCO ELECTRONICS CORPORATION
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.