4. Earth working
  5. Plural wheeled implements
  6. Outrigged implement adjustable inwardly

David H. Weast

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Deep tillage ripper with independent, spring-mounted closing...

Earth working – Diverse tools – Second implement follows path of first
Reexamination Certificate

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Furrow opening assembly

Planting – Drilling – Lister units
Patent

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Highly flexible, foldable drill for uniform depth seed deposit

Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly
Patent

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Profile ID: LFUS-PAI-P-700498

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