Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1993-10-22
1995-04-25
Douglas, Alan P.
Printing and office machinery
Typewriter or calculator
Element or attachment
Patent
active
D03576965
REFERENCES:
patent: D188725 (1960-08-01), Wren
patent: D205807 (1966-09-01), Yamamura
patent: D333482 (1993-02-01), Laurent
patent: 3288390 (1966-11-01), Kato
Babler Egon
Lucas Allen J.
Stemmle Denis J.
Douglas Alan P.
Veynar Caron D.
Xerox Corporation
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