[Main Page]

Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

3.90.207.89 | 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:US2435130


Patent:US 2435130
Title:Cryptographic Attachement for Typewriter Keys
Date:27.01.1948
Place:
Country:USA
Person:Cunningham, R. N. (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2435130 (espacenet),  US2435130 (uspto)


Enlarge

Aus der Patentschrift US2435130