Granted Patent
Utility
US 4,263,341 · App. 05/970,946
Processes of making two-sided printed circuit boards, with through-hole connections
Inventor:
Gerald J. Martyniak
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: Dec 19, 1978
Inventor
Gerald J. Martyniak
Assignee (at issue)
Western Electric Company, 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.