Printing and office machinery – Printing equipment – Hand held or manipulated
Patent
1976-09-02
1978-11-14
Lucas, Susan J.
Printing and office machinery
Printing equipment
Hand held or manipulated
D1801
Patent
active
D02502933
REFERENCES:
patent: D233442 (1974-10-01), Saito
Casio R-1 Electronic Desktop Printing Calculator Advertisement, Calculator.
Levine Harold
Lucas Susan J.
Texas Instruments Incorporated
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