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{{PatentInfo |Inventor=James W. Greenbaum |Assignee=James W. Greenbaum |Country=US |ApplicationNum=682002 |ApplicationDate=1912-03-06 |PatentNum=1098719 |PatentDate=1913-06-02 |PriorityDate=1912-03-06 |Titolo=Clip for pens or pencils |Marca=Eversharp |...
{{PatentInfo
|Inventor=James W. Greenbaum
|Assignee=James W. Greenbaum
|Country=US
|ApplicationNum=682002
|ApplicationDate=1912-03-06
|PatentNum=1098719
|PatentDate=1913-06-02
|PriorityDate=1912-03-06
|Titolo=Clip for pens or pencils
|Marca=Eversharp
|Descrizione=La "''[[Roller Clip]]''"
}}
==Informazioni==
Brevetto originale della ''[[Roller Clip]]'' (clip a rotellina)
|Inventor=James W. Greenbaum
|Assignee=James W. Greenbaum
|Country=US
|ApplicationNum=682002
|ApplicationDate=1912-03-06
|PatentNum=1098719
|PatentDate=1913-06-02
|PriorityDate=1912-03-06
|Titolo=Clip for pens or pencils
|Marca=Eversharp
|Descrizione=La "''[[Roller Clip]]''"
}}
==Informazioni==
Brevetto originale della ''[[Roller Clip]]'' (clip a rotellina)