DT

David L. Turpin

DP Dayton Progress: 2 patents #5 of 13Top 40%
Overall (All Time): #2,016,729 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9481023 Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels Christon L. Shepard, Shrinidhi Chandrasekharan, Ronald R. LaParre, Alan L. Shaffer 2016-11-01
8968495 Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels Christon L. Shepard, Shrinidhi Chandrasekharan, Ronald R. LaParre, Alan L. Shaffer 2015-03-03