DG

David Walter Gregor

JD John Deere: 12 patents #343 of 5,518Top 7%
MA Meat & Livestock Australia: 1 patents #11 of 38Top 30%
Overall (All Time): #389,435 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6338674 Anal sealing of carcasses Andrew Leslie Finney 2002-01-15
6320183 Product sensors for air seeder Steve Blaine Detrick 2001-11-20
6283679 Distribution manifold for air seeder Terry L. Snipes, Donald Raymond Wisor 2001-09-04
6213690 Distribution manifold for air seeder Terry L. Snipes, Donald Raymond Wisor 2001-04-10
5996515 Axial retainer shaft for meter roller David Allen Ernst 1999-12-07
5979343 Plenum damper and baffle plate arrangement for pneumatic distribution system Nathan A. Mariman, Michael Zhivov, Ronald Hall 1999-11-09
5980163 Distribution manifold for air seeder David Allen Ernst 1999-11-09
5947040 Tank pressurization system for air seeder 1999-09-07
5924370 Reconfigurable meter roller and blank section David Allen Ernst 1999-07-20
5878679 Product disconnect for metering device Ronald Pratt 1999-03-09
5855303 Wear insert for metering system 1999-01-05
5845818 Removable meter cartridge for metering system Donald K. Landphair 1998-12-08
5826523 Brush for air seeder metering system 1998-10-27