Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1975-10-08
1977-11-15
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D1605
Patent
active
D02463679
REFERENCES:
patent: 1920657 (1933-08-01), Morsbach
patent: 3885751 (1975-05-01), Kelch et al.
patent: 3889894 (1975-06-01), Deguchi
patent: 3973740 (1976-08-01), Schankler
Burke Wallace R.
Kemper Catherine
Lessler Arthur L.
Microfilm Enterprises Corporation
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