Printing and office machinery – Typewriter or calculator
Patent
1988-02-23
1990-09-18
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Patent
active
D03106802
REFERENCES:
patent: D280732 (1985-09-01), Gunzi
patent: D304330 (1989-10-01), Biotteau
patent: 888438 (1908-05-01), Hess et al.
patent: 1997206 (1935-04-01), Bates
patent: 2603337 (1952-07-01), Julliard
patent: 3712444 (1973-01-01), Frost
patent: 4488146 (1984-12-01), Burchart
Holtje Nelson C.
Proizvodnja in prodaja igrac, pisal, kovinskih in plasticnih izd
Veynar Caron D.
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