Granted Patent
Utility
US 6,544,313 · App. 09/859,216
Sulfur-containing fertilizer composition and method for preparing same
Inventors:
Lawrence Alan Peacock, Arthur R. Shirley, Jr.
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: May 16, 2001
Inventors
Lawrence Alan Peacock
Arthur R. Shirley, Jr.
Assignee (at issue)
Cargill, Incorporated
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.