Granted Patent
Utility
US 5,017,761 · App. 07/298,442
Fiber-optic heater probe assembly for heat treating metallic conduits
Inventor:
Michael Brunner
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Jan 18, 1989
Inventor
Michael Brunner
Assignee (at issue)
Westinghouse Electric Company LLC
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.