Granted Patent
Utility
US 5,340,376 · App. 07/793,355
Controlled-release microbe nutrients and method for bioremediation
Inventor:
John Cunningham
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Jan 8, 1992
Inventor
John Cunningham
Assignee (at issue)
The Sierra Horticultural Products Company
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.