Printing and office machinery – Printing equipment – Hand held or manipulated
Patent
1976-03-18
1978-08-22
Lucas, Susan J.
Printing and office machinery
Printing equipment
Hand held or manipulated
D1801
Patent
active
D02490900
REFERENCES:
patent: D233799 (1974-11-01), Finkel
patent: D234466 (1975-03-01), Kitai
Office Products, Aug. 1975, p. 50, electronic display calculator.
Hein William E.
Hewlett--Packard Company
Lucas Susan J.
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