4. Planting
  5. Drilling
  6. Frame and planting-element arrangement

Richard H. Clark

Inventor

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Adjustable width closing wheels for planter row units

Planting – Drilling – Lister units
Patent

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Depth adjusting device for a furrow opener

Planting – Drilling – Frame and planting-element arrangement
Patent

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Downhole temperature measurements

Measuring and testing – Borehole or drilling – Downhole test
Patent

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Optimized directional antenna system

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Partial width seeding attachment

Earth working – With actuator adapted to lift tool for transport on wheeled... – Plural tools – independently actuatable
Patent

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Profile ID: LFUS-PAI-P-231214

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