Modified computer keyboard number pad

Details Modified computer keyboard number pad Modified computer keyboard number pad

2007-11-13

2007-11-13

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

C345S156000, C345S169000, C345S172000, C341S022000, C341S026000, C341S028000

Reexamination Certificate

active

10899351

ABSTRACT:
The present invention provides for a number pad section of a keyboard having a plurality of digit keys, a plurality of arithmetic operation keys, and a Tab key operational by the ring or little finger of the operator's hand.

REFERENCES:
patent: 4698618 (1987-10-01), Liuzzo et al.
patent: 5600313 (1997-02-01), Freedman
patent: 6883984 (2005-04-01), McLoone
patent: 6910818 (2005-06-01), McLoone et al.
patent: 6965372 (2005-11-01), Woods
patent: 2005/0073445 (2005-04-01), Barlow

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