Granted Patent
Utility
US 6,069,998 · App. 09/148,305
Integral water heater and water temperature sensor
Inventors:
Ronald R. Barnes, Robert Cockrell
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Sep 4, 1998
Inventors
Ronald R. Barnes
Robert Cockrell
Assignee (at issue)
Emerson Electric Co.
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.