Granted Patent
Utility
US 4,151,310 · App. 05/804,356
Soybean protein extract
Inventors:
Karl F. Mattil, Khee C. Rhee, Carl M. Cater, deceased
Patented Case
View Patent ↗
Granted: Apr 24, 1979
Filed: Jun 7, 1977
Inventors
Karl F. Mattil
Khee C. Rhee
Carl M. Cater, deceased
Assignee (at issue)
The Andersons 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.