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{{PatentInfo |Inventor=Lynn P. Martin |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=256897 |ApplicationDate=1951-11-17 |PatentNum=2769427 |PatentDate=1956-11-06 |PriorityDate=1951-11-17 |Titolo=Writing implements |Marca=Sheaffer |Des...
{{PatentInfo
|Inventor=Lynn P. Martin
|Assignee=W. A. Sheaffer Pen Company
|Country=US
|ApplicationNum=256897
|ApplicationDate=1951-11-17
|PatentNum=2769427
|PatentDate=1956-11-06
|PriorityDate=1951-11-17
|Titolo=Writing implements
|Marca=Sheaffer
|Descrizione=Meccanismo dello ''[[snorkel]]''
}}
==Informazioni==
Brevetto il meccanismo dello ''[[snorkel]]''. Riferimento a {{MentionPatent|US|2123110}}, {{MentionPatent|US|2139045}}, {{MentionPatent|US|2158615}}, {{MentionPatent|US|2404063}}, {{MentionPatent|US|2158615}}, {{MentionPatent|US|2610612}} e {{MentionPatent|US|2681041}}.
|Inventor=Lynn P. Martin
|Assignee=W. A. Sheaffer Pen Company
|Country=US
|ApplicationNum=256897
|ApplicationDate=1951-11-17
|PatentNum=2769427
|PatentDate=1956-11-06
|PriorityDate=1951-11-17
|Titolo=Writing implements
|Marca=Sheaffer
|Descrizione=Meccanismo dello ''[[snorkel]]''
}}
==Informazioni==
Brevetto il meccanismo dello ''[[snorkel]]''. Riferimento a {{MentionPatent|US|2123110}}, {{MentionPatent|US|2139045}}, {{MentionPatent|US|2158615}}, {{MentionPatent|US|2404063}}, {{MentionPatent|US|2158615}}, {{MentionPatent|US|2610612}} e {{MentionPatent|US|2681041}}.