KE

Keith Elwin

SP Stern Pinball: 3 patents #2 of 19Top 15%
Overall (All Time): #1,428,413 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10926166 Rotatable ball momentum transfer assembly for an amusement game J. Harrison Drake, Jr. 2021-02-23
10603574 Self-adjusting difficulty feature for an amusement game device Mark C. Guidarelli 2020-03-31
10328335 Omnidirectional target for an amusement game device John Harrison Drake, Jr. 2019-06-25