4. Earth working
  5. Tool, standard or connection
  6. Spring biased or formed tool or tool part

Howard L. Lewison

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Cultivator tool shank assembly

Earth working – Tool – standard or connection – Spring biased or formed tool or tool part
Patent

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Leaf spring shank assembly

Earth working – Tool – standard or connection – Spring biased or formed tool or tool part
Patent

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Soil contact tool

Earth working – Tool – standard or connection – Non-rectangular – symmetrical type
Patent

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Transport wheel assembly for implements

Earth working – With ground support vertically adjustable relative to frame – Actuator and interconnected means for adjusting wheels on...
Patent

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Profile ID: LFUS-PAI-P-205023

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