Computer keyboard with built-in trackball

Details Computer keyboard with built-in trackball Computer keyboard with built-in trackball

1993-01-19

1994-08-30

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Patent

active

D03501264

REFERENCES:
patent: D285201 (1986-08-01), Kim
patent: D285923 (1986-09-01), Takahashi et al.
patent: D296553 (1988-07-01), Takahashi
patent: D313977 (1991-01-01), Iino
patent: D338456 (1993-08-01), Brunner et al.

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