Granted Patent
Utility
US 5,266,097 · App. 07/999,102
Aminoureaformaldehyde fertilizer method and composition
Inventor:
William P. Moore
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Dec 31, 1992
Inventor
William P. Moore
Assignee (at issue)
The Vigoro Corporation
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.