Granted Patent
Utility
US 5,454,850 · App. 08/167,677
Calcium phosphate and urea phosphate soluble compound fertilizer compositions
Inventors:
Richard L. Biamonte, Robert Bouke Peters
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Dec 15, 1993
Inventors
Richard L. Biamonte
Robert Bouke Peters
Assignee (at issue)
OMS Investments, 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.