Granted Patent
Utility
US 4,260,977 · App. 06/029,239
Thermostatic switch
Inventors:
Robert Kicherer, Manfred Schwarze
Patented Case
View Patent ↗
Granted: Apr 7, 1981
Filed: Apr 11, 1979
Inventors
Robert Kicherer
Manfred Schwarze
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.