Ergonomic eight key chord keyboard

Details Ergonomic eight key chord keyboard Ergonomic eight key chord keyboard

1995-06-02

1997-07-15

Wallace, Terry A.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

400489, 1402

Patent

active

D03810178

REFERENCES:
patent: D346376 (1994-04-01), Marguardt et al.
patent: D362432 (1995-09-01), Paull et al.
patent: D370669 (1996-06-01), Hargreaves et al.
patent: 5486085 (1996-01-01), Allen
patent: 5493654 (1996-02-01), Gopher et al.

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