Modifiche

{{PatentInfo |Inventor=Daniel V. Bowen |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=528669 |ApplicationDate=1931-04-08 |PatentNum=1842503 |PatentDate=1932-01-26 |PriorityDate=1931-04-08 |Titolo=Penholder for writing instruments |Marca=W...
{{PatentInfo
|Inventor=Daniel V. Bowen
|Assignee=L. E. Waterman Company
|Country=US
|ApplicationNum=528669
|ApplicationDate=1931-04-08
|PatentNum=1842503
|PatentDate=1932-01-26
|PriorityDate=1931-04-08
|Titolo=Penholder for writing instruments
|Marca=Waterman
|Descrizione=Base [[stiloforo]]
}}
==Informazioni==
Brevetto per una base di uno [[stiloforo]].