Modifiche

{{PatentInfo |Inventor=Dewitt C. Demarest |Assignee=Dewitt C. Demarest |Country=US |ApplicationNum=218159 |ApplicationDate=1886-11-06 |PatentNum=361493 |PatentDate=1887-04-19 |PriorityDate=1886-11-06 |Titolo=Fountain-pen |Marca=Unbranded |Descrizione=A...
{{PatentInfo
|Inventor=Dewitt C. Demarest
|Assignee=Dewitt C. Demarest
|Country=US
|ApplicationNum=218159
|ApplicationDate=1886-11-06
|PatentNum=361493
|PatentDate=1887-04-19
|PriorityDate=1886-11-06
|Titolo=Fountain-pen
|Marca=Unbranded
|Descrizione=Alimentatore
}}
==Informazioni==
Brevetto per un alimentatore. Riferimenti a {{MentionPatent|US|340865}}.