Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1986-10-31
1989-07-11
Largen, James R.
Printing and office machinery
Typewriter or calculator
Element or attachment
Patent
active
D03021726
REFERENCES:
patent: D244965 (1977-07-01), Trezise et al.
patent: D245116 (1977-07-01), Trezise
patent: D265567 (1982-07-01), Christie et al.
patent: D276353 (1984-11-01), Shore
patent: D277193 (1985-01-01), Asahi
patent: D281257 (1985-11-01), Bellini
patent: 4034935 (1977-07-01), Plaza et al.
patent: 4343556 (1982-08-01), Kobayashi
patent: 4511271 (1985-04-01), Oberto
Kaplan Blum
Largen James R.
Seiko Epson Corporation
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