Granted Patent
Utility
US 4,500,031 · App. 06/383,515
Method and apparatus for manufacturing a hot spot thermocouple
Inventor:
James T. Pettingell
Patented Case
View Patent ↗
Granted: Feb 19, 1985
Filed: Jun 1, 1982
Inventor
James T. Pettingell
Assignee (at issue)
Robert E. W. Hancock
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.