Granted Patent
Utility
US 4,379,845 · App. 06/286,111
Yeast process and product
Inventor:
Michael Ripka, JR.
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Jul 23, 1981
Inventor
Michael Ripka, JR.
Assignee (at issue)
Nabisco Brands, 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.