Granted Patent
Utility
US 5,044,542 · App. 07/441,009
Shield gas wave soldering
Inventor:
Carlos A. Deambrosio
Patented Case
View Patent ↗
Granted: Sep 3, 1991
Filed: Nov 22, 1989
Inventor
Carlos A. Deambrosio
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.