Portable computer keyboard

Typewriting machines – Means auxiliary to typewriting function – Means for collapsing typewriter or support for record-medium...

Reexamination Certificate

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Details

C400S680000, C400S472000

Reexamination Certificate

active

07393151

ABSTRACT:
A portable keyboard enables full QWERTY touch typing with both hands or full QWERTY typing with one hand without external support. The keyboard includes a number of keypads that are selectively positionable to configure the keyboard in different keyboard configurations for use.

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