Granted Patent
Utility
US 4,605,841 · App. 06/511,104
Thermostat for electric hotplate
Inventors:
Karl Fischer, Felix Schreder, Robert Kicherer
Patented Case
View Patent ↗
Granted: Aug 12, 1986
Filed: Jul 6, 1983
Inventors
Karl Fischer
Felix Schreder
Robert Kicherer
Assignee (at issue)
E.G.O. Elektro-Gerate Blanc u. Fischer
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.