Granted Patent
Utility
US 4,510,480 · App. 06/465,859
Thermostat with temperature pull-down facility
Inventors:
Guglielmo Rossi, Mario Gemma
Patented Case
View Patent ↗
Granted: Apr 9, 1985
Filed: Feb 7, 1983
Inventors
Guglielmo Rossi
Mario Gemma
Assignee (at issue)
RANCO CO., Ltd.
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.