Granted Patent
Utility
US 5,937,577 · App. 08/781,419
Plant ring for use in nurseries
Inventors:
Jason Butler, Joel Freeman Butler
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Nov 27, 1996
Inventors
Jason Butler
Joel Freeman Butler
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.