Granted Patent
Utility
US 4,739,920 · App. 07/093,078
Soldering process
Inventor:
Erich F. Kujas
Patented Case
View Patent ↗
Granted: Apr 26, 1988
Filed: Sep 3, 1987
Inventor
Erich F. Kujas
Assignee (at issue)
RCA 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.