Granted Patent
Utility
US 4,715,144 · App. 06/837,501
Plant container with concavoconvex ribs
Inventor:
Norman C. Lee
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Mar 7, 1986
Inventor
Norman C. Lee
Assignee (at issue)
Zarn LLC
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.