Granted Patent
Utility
US 5,708,256 · App. 08/573,948
Heating pad controller with variable duty cycle for temperature adjustment
Inventors:
James G. Montagnino, Ronald Lerner, John C. Polonchak, Robert Sherwood
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: Dec 18, 1995
Inventors
James G. Montagnino
Ronald Lerner
John C. Polonchak
Robert Sherwood
Assignee (at issue)
KAZ, 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.