Granted Patent
Utility
US 6,048,378 · App. 09/130,344
Highly available particulate controlled release nitrogen fertilizer
Inventor:
William P. Moore
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Aug 13, 1998
Inventor
William P. Moore
Assignee (at issue)
LESCO, 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.