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{{PatentInfo |Inventor=Lynn P. Martin |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=80931 |ApplicationDate=1949-03-11 |PatentNum=2610612 |PatentDate=1952-09-16 |PriorityDate=1949-03-11 |Titolo=Writing instrument |Marca=Sheaffer |Desc...
{{PatentInfo
|Inventor=Lynn P. Martin
|Assignee=W. A. Sheaffer Pen Company
|Country=US
|ApplicationNum=80931
|ApplicationDate=1949-03-11
|PatentNum=2610612
|PatentDate=1952-09-16
|PriorityDate=1949-03-11
|Titolo=Writing instrument
|Marca=Sheaffer
|Descrizione=Caricamento [[Touchdown]]
}}
==Informazioni==
Brevetto del caricamento [[Touchdown]]. Riferimento a {{MentionPatent|US|1134936}}, {{MentionPatent|US|1607048}}, {{MentionPatent|US|1801635}}, {{MentionPatent|US|2139045}} e {{MentionPatent|US|2432061}}.
|Inventor=Lynn P. Martin
|Assignee=W. A. Sheaffer Pen Company
|Country=US
|ApplicationNum=80931
|ApplicationDate=1949-03-11
|PatentNum=2610612
|PatentDate=1952-09-16
|PriorityDate=1949-03-11
|Titolo=Writing instrument
|Marca=Sheaffer
|Descrizione=Caricamento [[Touchdown]]
}}
==Informazioni==
Brevetto del caricamento [[Touchdown]]. Riferimento a {{MentionPatent|US|1134936}}, {{MentionPatent|US|1607048}}, {{MentionPatent|US|1801635}}, {{MentionPatent|US|2139045}} e {{MentionPatent|US|2432061}}.