Granted Patent
Utility
US 5,613,465 · App. 08/378,589
Controlled release aquatic nutrients
Inventor:
William P. Moore
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Jan 27, 1995
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.