Printing and office machinery – Typewriter or calculator
Patent
1985-05-03
1987-07-28
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Patent
active
D02910926
REFERENCES:
patent: D221905 (1971-09-01), Bellini
patent: D222267 (1971-10-01), Ramig, Jr.
patent: D258965 (1981-04-01), Frick
patent: D281701 (1985-12-01), Wang
Telefonaktiebolaget LM Ericsson
Zarfas Louis S,.
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