EM

Earl Mark

SP Sparton: 3 patents #5 of 62Top 9%
Overall (All Time): #1,490,888 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9841145 Axial piercing mechanism for pressurized gas canister David James Powell, Keith Huber, Taylor Durrance 2017-12-12
9612085 Payload launch system and method David James Powell, Keith Huber, Taylor Durrance, Tanner Sizemore, Charles M. Nowell 2017-04-04
8662441 Unmanned aerial vehicle launch system David James Powell, John T. Houck, Keith Huber 2014-03-04