Granted Patent
Utility
US 4,792,683 · App. 07/004,009
Thermal technique for simultaneous testing of circuit board solder joints
Inventors:
David B. Chang, Michael F. Berg, James E. Drummond, Lee Mickelson
Patented Case
View Patent ↗
Granted: Dec 20, 1988
Filed: Jan 16, 1987
Inventors
David B. Chang
Michael F. Berg
James E. Drummond
Lee Mickelson
Assignee (at issue)
Hughes Aircraft Company
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.