KJ

Keith D. Johnson

SP Stern Pinball: 1 patents #1 of 4Top 25%
📍 Woodbury, MN: #94 of 227 inventorsTop 45%
🗺 Minnesota: #1,999 of 5,843 inventorsTop 35%
Overall (2011): #246,498 of 364,097Top 70%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7967681 System and method for providing enhanced amusement game tournament play Lonnie Ropp, Joe Blackwell, Dwight Sullivan 2011-06-28