Keycap assembly with corner integrated pointing stick for typing

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

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D14114

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D03583856

REFERENCES:
patent: D245109 (1977-07-01), Yoshioka
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 Dual Function For Upper and Lower Print Control pp. 2663-2664.
IBM Technical Disclosure Bulletin vol. 28 No. 5 Oct. 1985 Smart Key pp. 1859-1860.
IBM Technical Disclosure Bulletin vol. 33 No. 9 Feb. 1991 Enlarged Cursor Key With Trackball pp. 428-430.
Toshiba Brochure 1993 T3400CT Computer With Pointing Device.

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