4. Printing
  5. Flexible-sheet-securing devices

Charles A. Pearson

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Adjustable electrically controlled livestock marking apparatus

Printing – Embossing or penetrating – Special-article machines
Patent

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Adjustable keyboard

Typewriting machines – Key-board or key lever-actuating mechanism – Key-board including row of keys having different heights
Patent

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Adjustable stamp

Printing – Selective or progressive – Printing members
Patent

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Anti-backlash tractor assembly

Typewriting machines – Sheet or web – For feeding web record-medium
Patent

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Antinoise device for impact serial printers

Typewriting machines – Means auxiliary to typewriting function – Means for muffling typewriter noise
Patent

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Profile ID: LFUS-PAI-P-6333

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