Granted Patent
Utility
US 6,319,522 · App. 09/082,987
Growth-promoting agent
Inventors:
Francis John Ballard, Geoffrey Leonard Francis, Geoffrey Owen Regester, Leanna Christine Read, David Andrew Belford
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: May 22, 1998
Inventors
Francis John Ballard
Geoffrey Leonard Francis
Geoffrey Owen Regester
Leanna Christine Read
David Andrew Belford
Assignee (at issue)
GROPEP LIMITED
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.