Granted Patent
Utility
US 5,467,424 · App. 08/273,570
Apparatus and method for generating steam
Inventors:
John Davies, Stephen J. Egbert, John R. Wagar
Patented Case
View Patent ↗
Granted: Nov 14, 1995
Filed: Jul 11, 1994
Inventors
John Davies
Stephen J. Egbert
John R. Wagar
Assignee (at issue)
GaSonics, 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.