4. Record receiver having plural interactive leaves or a colorless
  5. Having a colorless color-former, developer therefor, or...
  6. Method of use, kit, or combined with marking instrument or...

Dunstan P. Sheldon

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Composite ticket processing unit

Registers – Systems controlled by data bearing records – Credit or identification card systems
Patent

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Construction for mounting an ink ribbon cassette in a heat trans

Typewriting machines – Including interposed inking device for record-medium – Ribbon-feeding mechanism
Patent

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Dual printer system

Typewriting machines – Sheet or web – Including friction-feed means
Patent

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Form printer

Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent

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Mobile check-in station and method of use

Registers – Systems controlled by data bearing records – Transportation
Patent

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Profile ID: LFUS-PAI-P-184066

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