Granted Patent
Utility
US 4,893,742 · App. 07/287,763
Ultrasonic laser soldering
Inventor:
Peter W. Bullock
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Dec 21, 1988
Inventor
Peter W. Bullock
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.