Granted Patent
Utility
US 4,795,997 · App. 07/116,602
Thermostat for board mounting
Inventors:
David F. Fisher, David A. Sprankle
Patented Case
View Patent ↗
Granted: Jan 3, 1989
Filed: Nov 2, 1987
Inventors
David F. Fisher
David A. Sprankle
Assignee (at issue)
North American Philips Corporation
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.