Granted Patent
Utility
US 5,176,307 · App. 07/660,415
Wave soldering in a protective atmosphere enclosure over a solder pot
Inventors:
Lawrence J. Hagerty, Mark S. Nowotarski, David A. Diamantopoulous
Patented Case
View Patent ↗
Granted: Jan 5, 1993
Filed: Feb 22, 1991
Inventors
Lawrence J. Hagerty
Mark S. Nowotarski
David A. Diamantopoulous
Assignee (at issue)
Praxair Technology, 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.