4. Metal working
  5. Method of mechanical manufacture
  6. Assembling or joining

Cothburn M. O'Neal

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Method of making a punch assembly

Metal working – Method of mechanical manufacture – Assembling or joining
Patent

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Voting machine

Signals and indicators – Bells – Gong type
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Voting machine

Registers – Voting machines
Patent

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Voting machine

Registers – Voting machines – Key set
Patent

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Voting machine

Registers – Voting machines – Key set
Patent

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Profile ID: LFUS-PAI-P-279490

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