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{{PatentInfo |Inventor=Henry C. Klagges, Harry C. Kofke |Assignee=The Estrerbrook Pen Company |Country=US |ApplicationNum=559514 |ApplicationDate=1944-10-20 |PatentNum=2500833 |PatentDate=1950-03-14 |PriorityDate=1944-10-20 |Titolo= Fountain pen |Marca...
{{PatentInfo
|Inventor=Henry C. Klagges, Harry C. Kofke
|Assignee=The Estrerbrook Pen Company
|Country=US
|ApplicationNum=559514
|ApplicationDate=1944-10-20
|PatentNum=2500833
|PatentDate=1950-03-14
|PriorityDate=1944-10-20
|Titolo= Fountain pen
|Marca=Esterbrook
|Descrizione=Sistema di caricamento
}}
==Informazioni==
Brevetto per un sistema di caricamento a pompa piuttosto complesso. Riferimenti a {{MentionPatent|US|335033}}, {{MentionPatent|US|605259}}, {{MentionPatent|US|1317817}}, {{MentionPatent|US|1398779}}, {{MentionPatent|US|1469921}}, {{MentionPatent|US|1818216}}, {{MentionPatent|US|1902809}}, {{MentionPatent|US|1904358}}, {{MentionPatent|US|1980508}}, {{MentionPatent|US|1985643}}, {{MentionPatent|US|2093701}} e {{MentionPatent|US|2108552}}
|Inventor=Henry C. Klagges, Harry C. Kofke
|Assignee=The Estrerbrook Pen Company
|Country=US
|ApplicationNum=559514
|ApplicationDate=1944-10-20
|PatentNum=2500833
|PatentDate=1950-03-14
|PriorityDate=1944-10-20
|Titolo= Fountain pen
|Marca=Esterbrook
|Descrizione=Sistema di caricamento
}}
==Informazioni==
Brevetto per un sistema di caricamento a pompa piuttosto complesso. Riferimenti a {{MentionPatent|US|335033}}, {{MentionPatent|US|605259}}, {{MentionPatent|US|1317817}}, {{MentionPatent|US|1398779}}, {{MentionPatent|US|1469921}}, {{MentionPatent|US|1818216}}, {{MentionPatent|US|1902809}}, {{MentionPatent|US|1904358}}, {{MentionPatent|US|1980508}}, {{MentionPatent|US|1985643}}, {{MentionPatent|US|2093701}} e {{MentionPatent|US|2108552}}