Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1978-09-29
1982-05-25
Ansher, Bernard
Printing and office machinery
Typewriter or calculator
Element or attachment
D14 11, D1899
Patent
active
D02646013
REFERENCES:
patent: D245116 (1977-07-01), Trezise
patent: D245726 (1977-09-01), Sottsass
patent: D250613 (1978-12-01), Goodman et al.
patent: 3831731 (1974-08-01), Mack et al.
patent: 4026492 (1977-05-01), Kern
Ansher Bernard
Drucker William A.
Logabax
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