Granted Patent
Utility
US 5,755,106 · App. 08/869,040
Ice cream machine having an auxiliary evaporation tank
Inventor:
Harold F. Ross
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Jun 4, 1997
Inventor
Harold F. Ross
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.