[Main Page]

Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

3.227.2.246 | 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:US2431696


Patent:US 2431696
Title:Relay desing calculator
Date:02.12.1947
Place:
Country:USA
Person:William Keister
Company:Bell Telephone Labor Inc
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2431696 (espacenet),  US2431696 (uspto)


Enlarge

Aus der Patentschrift US2431696