| Year
|
Event
|
| 1925 |
OMAS is founded
|
| 1927 |
the Penna del dottore was patented
|
| 1932 |
Introduced the Extra model
|
| 1934 |
Introduced the Minerva Classica model
|
| 1936 |
Introduced the Lucens and Extra Lucens with the stantuffo tuffante loading system
|
| 1936 |
Band on smooth Extra cap was replaced by three tiny rings
|
| 1938 |
Introduced the arrow clip on Extra Lucens model
|
| 1940 |
Introduced the Permanio nib
|
| 1940 |
Band on faceted Extra cap was replaced by three tiny rings
|
| 1946 |
Restyling of the Extra model, replaced by a new version with stantuffo tuffante filling system
|
| 1948 |
Introduced the 361, restyled the Extra models
|
| 1950 |
Introduced the 351 and 352 models
|