Granted Patent
Utility
US 5,113,618 · App. 07/699,654
Protector for plant growing receptacle
Inventor:
Robert Rigsby
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: May 14, 1991
Inventor
Robert Rigsby
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.