4. Typewriting machines
  5. Key-board or key lever-actuating mechanism
  6. Key-board including keys grouped to facilitate positioning...

Allan C. Lichtenberg

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Elevated separate external keyboard apparatus for use with porta

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
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Maximum comfort keyboard

Typewriting machines – Key-board or key lever-actuating mechanism – Key-board including keys grouped to facilitate positioning...
Patent

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Maximum comfort keyboard

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
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Profile ID: LFUS-PAI-P-385350

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