[Main Page]

Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

18.220.47.149 | 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:US2575555


Patent:US 2575555
Title:Perpetual calendar
Date:20.11.1951
Place:Phoenix, AZ
Country:USA
Person:La Plante, Paul W.
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2575555 (espacenet),  US2575555 (uspto)


(There is currently no text in this page)