Granted Patent
Utility
US 4,628,325 · App. 06/583,634
Electromagnetic interference suppresion for electrical discharge printers
Inventor:
Flavius A. Mathamel
Patented Case
View Patent ↗
Granted: Dec 9, 1986
Filed: Feb 27, 1984
Inventor
Flavius A. Mathamel
Assignee (at issue)
Burroughs, 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.