Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1995-10-23
1997-06-10
Nunn, Freda
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
1402
Patent
active
D03798003
REFERENCES:
patent: D335489 (1993-05-01), Sander
patent: D344266 (1994-02-01), Wingate
patent: D360406 (1995-07-01), Hill et al.
Intergraph Personal Workstations Brochure, May 1994, pp. 6-7.
Intergraph Press Announcement, Introducing the TD-3, TD-4, and TD-5 Personal Workstations, May 1994.
Intergraph News Release, May 1994.
Intergraph TD3 and TD4 Specifications, May 1994.
Johnson Terry W.
Sollie Greg B.
Worden Curtis W.
Intergraph Corporation
Nunn Freda
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