Granted Patent
Utility
US 6,581,393 · App. 09/898,208
Ice making system, method, and component apparatus
Inventors:
Todd R. Newman, David W. Shank, Ronald L. Ballast
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jul 3, 2001
Inventors
Todd R. Newman
David W. Shank
Ronald L. Ballast
Assignee (at issue)
Nartron Corporation
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.