Granted Patent
Utility
US 4,335,583 · App. 06/146,843
Apparatus for freezing confections
Inventor:
Ronald J. Billett
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: May 5, 1980
Inventor
Ronald J. Billett
Assignee (at issue)
FMC 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.