[Main Page]

Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

18.206.12.79 | 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:US1397774


Patent:US 1397774
Title:Adding Machine
Date:22.11.1921
Place:
Country:USA
Person:Muller, Robert (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1397774 (espacenet),  US1397774 (uspto)


Enlarge

Aus der Patentschrift US1397774