Granted Patent
Utility
US 6,718,967 · App. 10/035,910
Wok cooking apparatus
Inventor:
Harold Edward Scott Luther
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Dec 28, 2001
Inventor
Harold Edward Scott Luther
Assignee (at issue)
P. F. Chang's China Bistro, 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.