Granted Patent
Utility
US 6,062,997 · App. 09/020,279
Magnetic dart system
Inventor:
Arthur F. Seymour
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Feb 6, 1998
Inventor
Arthur F. Seymour
Assignee (at issue)
Elenco Electronics, 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.