Granted Patent
Utility
US 4,580,905 · App. 06/730,657
Flavor mixing and dispensing device for frozen confection machines
Inventors:
Stephen W. Schwitters, A. Clark Larson, Preston L. Aylesworth
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: May 6, 1985
Inventors
Stephen W. Schwitters
A. Clark Larson
Preston L. Aylesworth
Assignee (at issue)
Speciality Equipment Companies, Inc. Taylor Freezer Division
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.