Granted Patent
Utility
US 5,121,874 · App. 07/626,728
Shield gas wave soldering
Inventors:
Carlos A. Deambrosio, John H. Gileta
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Dec 13, 1990
Inventors
Carlos A. Deambrosio
John H. Gileta
Assignee (at issue)
Electrovert Ltd.
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.