Inventor
DUVALL MICHAEL
US4 patents
Patents
4 patentsUS9199177B2Dec 1, 2015
Performance based golf scoring system
BIG PLAY SCORING LLC11 citations79
US9196115B1Nov 24, 2015
Performance based basketball scoring system
BIG PLAY SCORING LLC3 citations58
US9101841B1Aug 11, 2015
Performance based football scoring system
BIG PLAY SCORING LLC1 citations47
US9192864B1Nov 24, 2015
Performance based baseball scoring system
BIG PLAY SCORING LLC0 citations37