DP

David James Powell

SP Sparton: 2 patents #1 of 6Top 20%
Overall (2017): #159,280 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9841145 Axial piercing mechanism for pressurized gas canister Keith Huber, Earl Mark, Taylor Durrance 2017-12-12
9612085 Payload launch system and method Earl Mark, Keith Huber, Taylor Durrance, Tanner Sizemore, Charles M. Nowell 2017-04-04