Granted Patent
Utility
US 6,166,071 · App. 09/524,399
Zinc amino acid chelates having ligands comprised of glycine and a sulfur-containing amino acids
Inventors:
Stephen D. Ashmead, David C. Wheelwright
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Mar 13, 2000
Inventors
Stephen D. Ashmead
David C. Wheelwright
Assignee (at issue)
Albion International, 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.