Granted Patent
Utility
US 4,968,152 · App. 07/272,377
Electric immersion thermometer
Inventor:
Konrad Bergmann
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Nov 17, 1988
Inventor
Konrad Bergmann
Assignee (at issue)
American Standard 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.