Granted Patent
Utility
US 6,694,739 · App. 09/976,256
Modular water heater
Inventors:
Robert Beckius, Michael R. Powell, Seung Ho Hong, Charles J. Call, Ezra Merrill
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Oct 12, 2001
Inventors
Robert Beckius
Michael R. Powell
Seung Ho Hong
Charles J. Call
Ezra Merrill
Assignee (at issue)
MesoSystems Technology, 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.