4. Typewriting machines
  5. Typing by other than type-face or type-die
  6. Thermal

William Howard McMahon

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Apparatus for printing labels and a self-releasing print roller

Typewriting machines – Typing by other than type-face or type-die – Thermal
Patent

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Printer cassette with label stock tensioner arm and...

Typewriting machines – Sheet or web – For feeding web record-medium
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1722737

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