Granted Patent
Utility
US 5,478,375 · App. 08/327,379
Sealants for fertilizer compositions containing natural waxes
Inventor:
Alice P. Hudson
Patented Case
View Patent ↗
Granted: Dec 26, 1995
Filed: Oct 21, 1994
Inventor
Alice P. Hudson
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.