[Main Page]

Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

54.91.71.108 | Log in | Help

  DE  EN  FR  IT 
Main Page
All pages
Recent changes

Printable version
Discuss article

article
image
patent



Special pages
Pfeil.gif Patents  Pfeil.gif USA  

Patent:US2434487


Patent:US 2434487
Title:Record controlled adding and comparing machine
Date:13.01.1948
Place:
Country:USA
Person:Dickinson Arthur H
Company:IBM (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2434487 (espacenet),  US2434487 (uspto)


Enlarge

Aus der Patentschrift US2434487