Granted Patent
Utility
US 5,352,864 · App. 07/731,775
Process and device for output control and limitation in a heating surface made from glass ceramic or a comparable material
Inventors:
Bernd Schultheis, Klaus Kristen, Martin Taplan, Herwig Scheidler
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Jul 18, 1991
Inventors
Bernd Schultheis
Klaus Kristen
Martin Taplan
Herwig Scheidler
Assignee (at issue)
Schott Glaswerke
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.