167 605
contributi
Modifiche
{{PatentInfo |Inventor=George Davies |Assignee=The Wyvern Fountain Pen Co. |Country=GB |ApplicationNum=17213/19 |ApplicationDate=1919-07-09 |PatentNum=151753 |PatentDate=1920-10-07 |PriorityDate=1919-07-09 |Titolo=Improvements in and relating to the f...
{{PatentInfo
|Inventor=George Davies
|Assignee=The Wyvern Fountain Pen Co.
|Country=GB
|ApplicationNum=17213/19
|ApplicationDate=1919-07-09
|PatentNum=151753
|PatentDate=1920-10-07
|PriorityDate=1919-07-09
|Titolo=Improvements in and relating to the filling of fountain pens
|Marca=Wyvern
|Descrizione=[[Caricamento a levetta]]
}}
==Informazioni==
Brevetto per una variante di ''[[Used for feature::caricamento a levetta]]''.
|Inventor=George Davies
|Assignee=The Wyvern Fountain Pen Co.
|Country=GB
|ApplicationNum=17213/19
|ApplicationDate=1919-07-09
|PatentNum=151753
|PatentDate=1920-10-07
|PriorityDate=1919-07-09
|Titolo=Improvements in and relating to the filling of fountain pens
|Marca=Wyvern
|Descrizione=[[Caricamento a levetta]]
}}
==Informazioni==
Brevetto per una variante di ''[[Used for feature::caricamento a levetta]]''.