Modifiche

{{PatentInfo |Inventor=Charles T. Breitenstein |Assignee=Holly Pen Corporation |Country=US |ApplicationNum=128646 |ApplicationDate=1946-04-06 |PatentNum=D147107 |PatentDate=1947-07-15 |PriorityDate=1946-04-06 |Titolo=Design for a fountain pen |Marca=U...
{{PatentInfo
|Inventor=Charles T. Breitenstein
|Assignee=Holly Pen Corporation
|Country=US
|ApplicationNum=128646
|ApplicationDate=1946-04-06
|PatentNum=D147107
|PatentDate=1947-07-15
|PriorityDate=1946-04-06
|Titolo=Design for a fountain pen
|Marca=Unbranded
|Descrizione=Penna a sfera
|Tipo=design
}}
==Informazioni==
Brevetto di design per una penna a sfera. Riferimenti a {{MentionPatent|US|D039560}}, {{MentionPatent|US|D143508}}, {{MentionPatent|US|D144358}} e {{MentionPatent|US|1989351}}.