Granted Patent
Utility
US 5,819,638 · App. 08/890,287
Deep-frying apparatus
Inventor:
Nobuyoshi Yokoyama
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Jul 9, 1997
Inventor
Nobuyoshi Yokoyama
Assignee (at issue)
Paloma Industries, Limited
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.