Granted Patent
Utility
US 6,073,931 · App. 09/018,489
Folding backboard for receiving a dart board thereon
Inventor:
Justin L. Voden
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Feb 4, 1998
Inventor
Justin L. Voden
Assignee (at issue)
Great Lakes Dart Mfg., Inc.
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.