Granted Patent
Utility
US 4,538,757 · App. 06/518,989
Wave soldering in a reducing atmosphere
Inventor:
Bary R. Bertiger
Patented Case
View Patent ↗
Granted: Sep 3, 1985
Filed: Aug 1, 1983
Inventor
Bary R. Bertiger
Assignee (at issue)
Motorola, 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.