Granted Patent
Utility
US 4,704,160 · App. 06/596,006
Combination fertilizer composition
Inventors:
George R. McVey, Kenneth Tornberg, Larry R. Widell, George E. Wood
Patented Case
View Patent ↗
Granted: Nov 3, 1987
Filed: Apr 2, 1984
Inventors
George R. McVey
Kenneth Tornberg
Larry R. Widell
George E. Wood
Assignee (at issue)
The O. M. Scott and Sons Company
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.