Granted Patent
Utility
US 6,177,655 · App. 09/457,240
Non-stick ceramic slow-cooker and method for making the same
Inventor:
Joseph G. Toman
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Dec 8, 1999
Inventor
Joseph G. Toman
Assignee (at issue)
Premark WB Holdings, 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.