Granted Patent
Utility
US 4,589,599 · App. 06/543,766
Ice chopper apparatus for producing ice particles of controlled size
Inventor:
James E. Williams
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Oct 20, 1983
Inventor
James E. Williams
Assignee (at issue)
Cuisinarts, 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.