Granted Patent
Utility
US 6,370,892 · App. 09/639,062
Batch process and apparatus optimized to efficiently and evenly freeze ice cream
Inventor:
Harold F. Ross
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Aug 15, 2000
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.