Granted Patent
Utility
US 4,549,527 · App. 06/512,198
Solid state temperature controller
Inventor:
John R. Davis
Patented Case
View Patent ↗
Granted: Oct 29, 1985
Filed: Jul 8, 1983
Inventor
John R. Davis
Assignee (at issue)
FRYMASTER, LLC
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.