Granted Patent
Utility
US 5,048,746 · App. 07/448,008
Tunnel for fluxless soldering
Inventors:
Donald A. Elliott, Vivian G. Power
Patented Case
View Patent ↗
Granted: Sep 17, 1991
Filed: Dec 8, 1989
Inventors
Donald A. Elliott
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.