4. Planting
  5. Drilling
  6. Lister units

Donald Thomas Sorlie

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Depth control and protective apparatus for tillage assembly

Planting – Drilling – Lister units
Patent

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Dual packer wheel unit for tillage apparatus

Planting – Drilling – Lister units
Patent

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Structural orientation and protective apparatus for tillage asse

Planting – Drilling – Lister units
Patent

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Tillage apparatus having improved cutting and drive structure

Earth working – Rolling – rotating or orbitally moving tool – Tool has circumferentially spaced teeth – tines – blades or...
Patent

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Profile ID: LFUS-PAI-P-1663766

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