Granted Patent
Utility
US 4,699,123 · App. 06/825,275
Portable heating appliance
Inventor:
Thaddeus Zaborowski
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Feb 3, 1986
Inventor
Thaddeus Zaborowski
Assignee (at issue)
The Schawbel Corporation
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.