Granted Patent
Utility
US 6,233,871 · App. 09/294,562
Design of planter inserts and water reservoirs
Inventor:
I-Chung Ho
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Apr 20, 1999
Inventor
I-Chung Ho
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.