Granted Patent
Utility
US 5,228,614 · App. 07/549,603
Solder nozzle with gas knife jet
Inventors:
Donald A. Elliott, Michael T. Mittag, Vivian G. Power
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Jul 9, 1990
Inventors
Donald A. Elliott
Michael T. Mittag
Vivian G. Power
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.