4. Typewriting machines
  5. For line-spacing by incremental rotation of platen
  6. By electric-power drive

Douglas E. Alexander

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Buckling one way clutch

Typewriting machines – For line-spacing by incremental rotation of platen – By electric-power drive
Patent

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Dispensing apparatus for a toilet

Baths – closets – sinks – and spittoons – Disinfection – Dispensing to bowl
Reexamination Certificate

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Dispensing apparatus for a toilet

Baths – closets – sinks – and spittoons – Disinfection – Dispensing to bowl
Reexamination Certificate

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Document guiding ribbon cartridge

Typewriting machines – Including interposed inking device for record-medium – Package for ribbon facilitating mounting of ribbon on...
Patent

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Interlocking modular floor tile

Static structures (e.g. – buildings) – Specified wear or friction-type traffic-carrying surface
Reexamination Certificate

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Profile ID: LFUS-PAI-P-179048

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