Granted Patent
Utility
US 6,302,803 · App. 09/493,365
Portable golf putting green
Inventor:
David R. Barlow
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Jan 28, 2000
Inventor
David R. Barlow
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.