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{{PatentInfo |Inventor=Wilbur Arthur Davis |Assignee=Wilbur Arthur Davis, George Walter Davis |Country=US |ApplicationNum=642609 |ApplicationDate=1946-01-22 |PatentNum=2531113 |PatentDate=1950-11-21 |PriorityDate=1946-01-22 |Titolo=Clip and cap structu...
{{PatentInfo
|Inventor=Wilbur Arthur Davis
|Assignee=Wilbur Arthur Davis, George Walter Davis
|Country=US
|ApplicationNum=642609
|ApplicationDate=1946-01-22
|PatentNum=2531113
|PatentDate=1950-11-21
|PriorityDate=1946-01-22
|Titolo=Clip and cap structure for fountain pens
|Marca=Unbranded
|Descrizione=Fermaglio a molla
}}
==Informazioni==
Brevetto per un [[fermaglio]] a molla. Riferimenti a {{MentionPatent|US|599616}}, {{MentionPatent|US|1339359}}, {{MentionPatent|US|2224162}}, {{MentionPatent|US|2237155}}, {{MentionPatent|US|2418218}}, {{MentionPatent|US|2418410}}; ed inoltre {{MentionPatent|FR|505917}} e {{MentionPatent|FR|539994}},
|Inventor=Wilbur Arthur Davis
|Assignee=Wilbur Arthur Davis, George Walter Davis
|Country=US
|ApplicationNum=642609
|ApplicationDate=1946-01-22
|PatentNum=2531113
|PatentDate=1950-11-21
|PriorityDate=1946-01-22
|Titolo=Clip and cap structure for fountain pens
|Marca=Unbranded
|Descrizione=Fermaglio a molla
}}
==Informazioni==
Brevetto per un [[fermaglio]] a molla. Riferimenti a {{MentionPatent|US|599616}}, {{MentionPatent|US|1339359}}, {{MentionPatent|US|2224162}}, {{MentionPatent|US|2237155}}, {{MentionPatent|US|2418218}}, {{MentionPatent|US|2418410}}; ed inoltre {{MentionPatent|FR|505917}} e {{MentionPatent|FR|539994}},