Granted Patent
Utility
US 5,227,604 · App. 07/723,203
Atmospheric pressure gaseous-flux-assisted laser reflow soldering
Inventor:
Gary M. Freedman
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Jun 28, 1991
Inventor
Gary M. Freedman
Assignee (at issue)
Digital Equipment 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.