Granted Patent
Utility
US 5,992,302 · App. 08/969,199
Food cooking apparatus with direct food temperature sensing
Inventor:
Clifton Frederick Geisler
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Nov 12, 1997
Inventor
Clifton Frederick Geisler
Assignee (at issue)
Trustees of America's Drive-In Trust
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.