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

John Landry

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Method and system for data management in electronic payments...

Telecommunications – Radiotelephone system – Usage measurement
Reexamination Certificate

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Modular keyboard for use in a computer system

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

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Profile ID: LFUS-PAI-P-1243507

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