4. Typewriting machines
  5. Key-board or key lever-actuating mechanism
  6. Key-cap or key-stem structure

John M. Lutian

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Data input devices and methods for detecting movement of a...

Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate

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Keyboard having integrally molded keyswitch base

Typewriting machines – Key-board or key lever-actuating mechanism – Key-cap or key-stem structure
Reexamination Certificate

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Keypad having optical waveguides

Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2094775

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