DK

David R. Klingensmith

SP Sperry: 1 patents #355 of 841Top 45%
Overall (All Time): #4,011,821 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4505279 Staggered spiral rasp bar segments for axial flow combines Steven J. Campbell, Keith A. Stickley 1985-03-19