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

Billy J. Pfenninger

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Adjustable cover apparatus for interchangeable, multisize, open

Land vehicles: bodies and tops – Tops – Roll-up covers
Patent

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Automatic coulter depth control

Earth working – Diverse tools – Including spring formed tool or standard
Patent

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Farm implement and control structure for wing sections thereof

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

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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-700497

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