Granted Patent
Utility
US 4,298,400 · App. 05/487,944
Low D.E. starch conversion products
Inventor:
Frederick C. Armbruster
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: Jul 12, 1974
Inventor
Frederick C. Armbruster
Assignee (at issue)
Grain Processing 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.