Modifiche

{{PatentInfo |Inventor=John C. Wahl |Assignee=The Wahl Company |Country=US |ApplicationNum=84263 |ApplicationDate=1926-01-28 |PatentNum=1779836 |PatentDate=1930-10-28 |PriorityDate=1926-01-28 |Titolo=Fountain pen and method of assembling same |Marca=Ev...
{{PatentInfo
|Inventor=John C. Wahl
|Assignee=The Wahl Company
|Country=US
|ApplicationNum=84263
|ApplicationDate=1926-01-28
|PatentNum=1779836
|PatentDate=1930-10-28
|PriorityDate=1926-01-28
|Titolo=Fountain pen and method of assembling same
|Marca=Eversharp
|Descrizione=Gruppo pennino intercambiabile
}}
==Informazioni==
Brevetto per un gruppo pennino intercambiabile (usato per i pennini [[Personal Point]]?).