| Patria (Swiss) | |||||
| Patria Schreibmaschinen A.G., Piterlen, later Zurich, Switzerland | |||||
| Since 1943:Aug. Birchmeier's Soehne, Murgental, Aargau, Switzerland | |||||
| Carefully ! There are at least 3 different machines, called Patria: The Swiss Patria, the spanish Patria and some models from the Italian Oliver Portables from 1930/31 | |||||
| Models and s/n | Y | M | D | Remarks | Ref. |
| Portable | |||||
| All s/n's estimated | Production began 1937 | 13 | |||
| over 50000 | 1945 | 13 | |||
| 54000 | 1946 | 13 | |||
| 60000 | 1947 | 13 | |||
| 66000 | 1948 | 13 | |||
| 72000 | 1949 | 13 | |||
| 75000 | 1950 | Production of the Patria ended, followed by "Swissa" | 13 |