Granted Patent
Utility
US 4,804,332 · App. 07/225,652
Filtered electrical device and method for making same
Inventor:
Douglas J. Pirc
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Jul 25, 1988
Inventor
Douglas J. Pirc
Assignee (at issue)
AMP LLC
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.