Granted Patent
Utility
US 4,713,345 · App. 06/760,288
Fermentation methods and apparatus
Inventor:
Steven L. Ramsden
Patented Case
View Patent ↗
Granted: Dec 15, 1987
Filed: Jul 29, 1985
Inventor
Steven L. Ramsden
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.