Granted Patent
Utility
US 6,123,981 · App. 07/966,783
Conservation of orthophosphate waste for preparing an animal feed supplement
Inventors:
Fredric G. Bender, John Toczek, William E. Swartz
Patented Case
View Patent ↗
Granted: Sep 26, 2000
Filed: Oct 27, 1992
Inventors
Fredric G. Bender
John Toczek
William E. Swartz
Assignee (at issue)
Rhodia, 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.