[Main Page]

Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

3.230.154.129 | 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:US1228404


Patent:US 1228404
Title:Attachment for calculating machines
Date:05.06.1917
Place:Chicago und New York
Country:USA
Person:Carlin, Samuel E. (P)
Company:Underwood (P) Computing Machine Comp.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1228404 (espacenet),  US1228404 (uspto)


(There is currently no text in this page)