Granted Patent
Utility
US 5,845,609 · App. 08/865,119
Fluid heater coils
Inventor:
Bernard C. Corrigan
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: May 29, 1997
Inventor
Bernard C. Corrigan
Assignee (at issue)
VAPOR CORP.
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.