4. Metal tools and implements, making
  5. Blank or process
  6. Drill

David W. James

Inventor

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Adjustable depth fishing bobber

Fishing – trapping – and vermin destroying – Fishing – Line-attached bodies – hooks and rigs
Reexamination Certificate

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Drill bit with cutting insert

Metal tools and implements – making – Blank or process – Drill
Patent

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Drill bit with cutting insert

Cutting by use of rotating axially moving tool – Tool having crystalline cutting edge
Patent

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Profile ID: LFUS-PAI-P-1406495

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