Granted Patent
Utility
US 5,164,994 · App. 07/454,804
Solder joint locator
Inventor:
Michael Wayne Bushroe
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Dec 21, 1989
Inventor
Michael Wayne Bushroe
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.