Granted Patent
Utility
US 4,382,175 · App. 06/318,398
Apparatus for controlling toast color in a toaster oven
Inventor:
Peter Huggler
Patented Case
View Patent ↗
Granted: May 3, 1983
Filed: Nov 5, 1981
Inventor
Peter Huggler
Assignee (at issue)
Toastmaster, Inc.
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.