Granted Patent
Utility
US 4,412,429 · App. 06/325,200
Ice cube making
Inventor:
Vance L. Kohl
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: Nov 27, 1981
Inventor
Vance L. Kohl
Assignee (at issue)
McQuay, 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.