William G. Kellen

📍 Cora, WY: #2 of 5 inventorsTop 40%

🗺 Wyoming: #379 of 1,797 inventorsTop 25%

Overall (All Time): #1,595,570 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
7118477	Portable electronic bingo device	—	2006-10-10
6645072	Portable electronic bingo device	—	2003-11-11
5967895	Portable electronic bingo device	—	1999-10-19