Granted Patent
Utility
US 5,129,237 · App. 07/759,813
Ice making machine with freeze and harvest control
Inventors:
Donald D. Day, Delbert J. Potter
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Aug 26, 1991
Inventors
Donald D. Day
Delbert J. Potter
Assignee (at issue)
Seven International Group, 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.