Patent:US2441870

Brevetto:	US 2441870
Titolo:	Front feed mechanism for calculating machines
Data:	18.05.1948
Luogo:
Nazione:	Stati Uniti
Persona:	Christian, Raymond A. (P)
Ditta:	NCR (P)
Link interni:
Keywords:
Link al brevetto: (without guarantee)	US2441870 (espacenet), US2441870 (uspto)

Aus der Patentschrift US2441870

DATUM: 18.05.1948
TITEL: Front feed mechanism for calculating machines
PERSON: NCR CO
Patent Family: ( Patent:DE699521, Patent:DE706633, Patent:FR759644, Patent:GB424132, Patent:GB424149, Patent:US2441870 )

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