[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:US2443882


Patent:US 2443882
Title:Calculator
Date:22.06.1948
Place:
Country:USA
Person:Allen, W. T. (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2443882 (espacenet),  US2443882 (uspto)