Granted Patent
Utility
US 4,159,952 · App. 05/862,908
Powdered hydrated emulsifiers and their method of preparation
Inventor:
Clifford Jackson
Patented Case
View Patent ↗
Granted: Jul 3, 1979
Filed: Dec 21, 1977
Inventor
Clifford Jackson
Assignee (at issue)
Southland 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.