Granted Patent
Utility
US 4,242,367 · App. 06/006,611
Milk shake and soft serve frozen dessert stabilizer
Inventor:
Robert S. Igoe
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Jan 26, 1979
Inventor
Robert S. Igoe
Assignee (at issue)
MERCK & CO., INC.
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.