Granted Patent
Utility
US 5,049,264 · App. 07/406,786
Process and apparatus for continuously removing contaminants from edible cooking oil
Inventors:
Ellen M. Rosnack, Larry A. Pray, Alger C. Marable, Gerry C. Zekert
Patented Case
View Patent ↗
Granted: Sep 17, 1991
Filed: Sep 13, 1989
Inventors
Ellen M. Rosnack
Larry A. Pray
Alger C. Marable
Gerry C. Zekert
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.