Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1987-08-24
1989-08-15
Largen, James R.
Printing and office machinery
Typewriter or calculator
Element or attachment
Patent
active
D03028291
REFERENCES:
patent: D265567 (1982-07-01), Christie
patent: D271310 (1983-11-01), Canning et al.
patent: D280331 (1983-11-01), Nibley et al.
patent: D280332 (1985-11-01), Nibley et al.
patent: D280333 (1985-11-01), Nibley et al.
patent: D280913 (1985-10-01), Nibley et al.
patent: D285808 (1986-09-01), Fuziwara et al.
patent: 4132485 (1979-01-01), Hess
Asakura Osamu
Nezu Shigeru
Canon Kabushiki Kaisha
Largen James R.
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