4. B - Operations, Transporting
  5. 26
  6. D

David A. Hopkins

B - Operations – Transporting – 26 – D

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Adjustable boring head

B - Operations – Transporting – 23 – D
Patent

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Boring bar constructed by bending

B - Operations – Transporting – 21 – K
Patent

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Center cutting end mill

B - Operations – Transporting – 26 – D
Patent

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Cutting insert

B - Operations – Transporting – 26 – D
Patent

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Cutting insert locking means

B - Operations – Transporting – 23 – C
Patent

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Device for lining journal boxes

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Patent

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Improvements on journal bearings for car axles

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Patent

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Journal bearing

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Patent

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Profile ID: LFCA-PAI-P-8892

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