Granted Patent
Utility
US 5,087,804 · App. 07/635,790
Self-regulating heater with integral induction coil and method of manufacture thereof
Inventor:
Thomas H. McGaffigan
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Dec 28, 1990
Inventor
Thomas H. McGaffigan
Assignees (at issue)
Metcal, Inc.
AMP LLC
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.