Printing and office machinery – Typewriter or calculator
Patent
1988-09-12
1990-08-28
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Patent
active
D03102343
REFERENCES:
patent: D252519 (1979-07-01), Roche
patent: D274907 (1984-07-01), Reese
patent: D281701 (1985-12-01), Wang
patent: D284671 (1986-07-01), Mendel
patent: D300434 (1989-03-01), Tamada et al.
Holtje Nelson C.
Ing. C. Olivetti & C. S.p.A.
Veynar Caron D.
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