Granted Patent
Utility
US 5,758,015 · App. 08/617,223
Methods and apparatus for electroheating food employing concentric electrodes
Inventor:
Thaddeus J. Polny, Jr.
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Mar 18, 1996
Inventor
Thaddeus J. Polny, Jr.
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.