Granted Patent
Utility
US 4,352,830 · App. 06/146,814
Method for extracting frozen confections
Inventors:
Ronald J. Billett, David N. Anderson, William M. Easter
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: May 5, 1980
Inventors
Ronald J. Billett
David N. Anderson
William M. Easter
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.