Granted Patent
Utility
US 4,235,939 · App. 05/927,076
Base mixes simulating natural and dutch cocoa powders
Inventor:
James R. Kimberly, Sr.
Patented Case
View Patent ↗
Granted: Nov 25, 1980
Filed: Jul 24, 1978
Inventor
James R. Kimberly, Sr.
Assignee (at issue)
A.E. Staley Manufacturing Company
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.