Granted Patent
Utility
US 4,747,883 · App. 06/851,986
Continuously flushed thermocouple assembly
Inventors:
John F. Krumwiede, Roy M. Sims
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Apr 14, 1986
Inventors
John F. Krumwiede
Roy M. Sims
Assignee (at issue)
PPG Industries, Inc.
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.