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{{PatentInfo |Inventor=John William Para |Assignee=David Kahn Inc |Country=US |ApplicationNum=623266 |ApplicationDate=1945-10-19 |PatentNum=2548906 |PatentDate=1951-04-17 |PriorityDate=1945-10-19 |Titolo=Fountain pen |Marca=Wearever |Descrizione=Alimen...
{{PatentInfo
|Inventor=John William Para
|Assignee=David Kahn Inc
|Country=US
|ApplicationNum=623266
|ApplicationDate=1945-10-19
|PatentNum=2548906
|PatentDate=1951-04-17
|PriorityDate=1945-10-19
|Titolo=Fountain pen
|Marca=Wearever
|Descrizione=Alimentatore
}}
==Informazioni==
Brevetto per un alimentatore. Riferimenti a {{MentionPatent|US|467785}}, {{MentionPatent|US|834541}}, {{MentionPatent|US|1107641}}, {{MentionPatent|US|1574930}}, {{MentionPatent|US|1938314}}, {{MentionPatent|US|2292381}}, {{MentionPatent|US|2337343}}, {{MentionPatent|US|2375770}} e {{MentionPatent|US|2380763}}, ed inoltre {{MentionPatent|GB|412610}} e {{MentionPatent|GB|473175}}.
|Inventor=John William Para
|Assignee=David Kahn Inc
|Country=US
|ApplicationNum=623266
|ApplicationDate=1945-10-19
|PatentNum=2548906
|PatentDate=1951-04-17
|PriorityDate=1945-10-19
|Titolo=Fountain pen
|Marca=Wearever
|Descrizione=Alimentatore
}}
==Informazioni==
Brevetto per un alimentatore. Riferimenti a {{MentionPatent|US|467785}}, {{MentionPatent|US|834541}}, {{MentionPatent|US|1107641}}, {{MentionPatent|US|1574930}}, {{MentionPatent|US|1938314}}, {{MentionPatent|US|2292381}}, {{MentionPatent|US|2337343}}, {{MentionPatent|US|2375770}} e {{MentionPatent|US|2380763}}, ed inoltre {{MentionPatent|GB|412610}} e {{MentionPatent|GB|473175}}.