DD

David R. Draper

Caterpillar: 2 patents #2,982 of 8,398Top 40%
Overall (All Time): #1,586,421 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7192244 Bladeless conical radial turbine and method Salvatore F. Grande, III 2007-03-20
5249452 Adjustable master brake die John B. Baldwin 1993-10-05
5018705 Break away torch holder for cutting machines John B. Baldwin 1991-05-28