Granted Patent
Utility
US 4,517,002 · App. 06/475,989
Phosphorodiamide urease inhibitors and urease inhibited urea based fertilizer compositions
Inventors:
Louis G. Anello, Michael Van Der Puy, Larry L. Hendrickson, Milorad M. Rogic, Michael D. Swerdloff, Jaroslav F. Kolc
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: Mar 16, 1983
Inventors
Louis G. Anello
Michael Van Der Puy
Larry L. Hendrickson
Milorad M. Rogic
Michael D. Swerdloff
Jaroslav F. Kolc
Assignee (at issue)
ALLIED CONSULTING, 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.