Granted Patent
Utility
US 4,851,645 · App. 07/153,071
Device for determining the temperature of a glass ceramic plate heated by means of heat coils or halogen lamps
Inventors:
Kurt Wolf, Wolfram K. Andre
Patented Case
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Granted: Jul 25, 1989
Filed: Feb 8, 1988
Inventors
Kurt Wolf
Wolfram K. Andre
Assignee (at issue)
Fissler GmbH
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.