Granted Patent
Utility
US 5,157,939 · App. 07/458,670
Ice making apparatus
Inventors:
Douglas J. Lyon, Stefan S. Jensen, Jeffrey B. Cage, Robert Niblock
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Jul 6, 1990
Inventors
Douglas J. Lyon
Stefan S. Jensen
Jeffrey B. Cage
Robert Niblock
Assignee (at issue)
Heat and Control Pty. Ltd.
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.