GP

Garn Penfold

JD John Deere: 4 patents #1,200 of 5,518Top 25%
Overall (All Time): #1,243,208 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7717048 Agricultural seeding system James R. Peterson, David J. Rylander 2010-05-18
6752095 Seed metering system for use in a seeding machine David J. Rylander, Daniel B. Thiemke, Todd E. Vandersnick, Jose M. Valdez, Miles R. Keaton 2004-06-22
4728954 Ground velocity sensor with drop-out detection James J. Phelan, Larry W. Ferguson 1988-03-01
4459798 Baler with a controlled rate preservative applicator David Rabe 1984-07-17