Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1980-09-29
1982-07-27
Feifer, Melvin B.
Printing and office machinery
Typewriter or calculator
Element or attachment
D1801
Patent
active
D02655675
REFERENCES:
patent: D212619 (1968-11-01), Merry et al.
patent: D223098 (1972-03-01), Catalano et al.
patent: D246332 (1977-11-01), Bellini
Cappotto Samuel D.
Christie Cornelius W.
Feifer Melvin B.
Mear, III William E.
SCM Corporation
Weinberger Ernest F.
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