4. Registers
  5. Calculators
  6. Input-output calculator to indicator, printer, etc.

John C. Lockwood

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Cigarette lighter having improved valve means

Combustion – Frictional – chemical or percussive type igniter – Spark projecter – e.g. – flint and abrasive striker – etc.
Patent

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Cigarette lighter having improved valve means

Combustion – Flame holder and fuel tank assembly
Patent

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Mechanical computer assembly

Registers – Calculators – Input-output calculator to indicator – printer – etc.
Patent

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Mechanical pencil with self-tapping propelling nut and the metho

Coating implements with material supply – Solid material for rubbing contact or support therefor – Including means to advance material
Patent

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Profile ID: LFUS-PAI-P-93038

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