Combined pointing stick and surrounding keycap for use in a comp

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment

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D03604128

REFERENCES:
patent: D340696 (1993-10-01), Barrett
patent: 4896003 (1990-01-01), Hsieh
patent: 5294121 (1994-03-01), Chiang
patent: 5343219 (1994-08-01), DuBosque, Jr.
IBM Technical Disclosure Bulletin vol. 22, No. 7 Dec. 1979 pp. 2663-2664 Dual-Function Key For Upper And Lower Print Control.
IBM Technical Disclosure Bulletin vol. 33 No. 9 Feb. 1991 pp. 428-430 Enlarged Cursor Key With Trackball.
Toshiba 1993 T3400CT Computer.

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