167 637
contributi
Modifiche
{{PatentInfo |Inventor=Kenneth S. Parker |Assignee=The Parker Pen Company |Country=US |ApplicationNum=584054 |ApplicationDate=1945-03-22 |PatentNum=2506035 |PatentDate=1950-05-02 |PriorityDate=1945-03-22 |Titolo=Writing instrument |Marca=Parker |Descri...
{{PatentInfo
|Inventor=Kenneth S. Parker
|Assignee=The Parker Pen Company
|Country=US
|ApplicationNum=584054
|ApplicationDate=1945-03-22
|PatentNum=2506035
|PatentDate=1950-05-02
|PriorityDate=1945-03-22
|Titolo=Writing instrument
|Marca=Parker
|Descrizione=Penna a sfera
}}
==Informazioni==
Brevetto per una penna a sfera. Riferimenti a {{MentionPatent|US|659989}}, {{MentionPatent|US|1472576}}, {{MentionPatent|US|1808377}}, {{MentionPatent|US|1808489}}, {{MentionPatent|US|2026657}}, {{MentionPatent|US|2053892}}, {{MentionPatent|US|2061059}}, {{MentionPatent|US|2228540}}, {{MentionPatent|US|2444003}} e {{MentionPatent|US|2444004}}.
|Inventor=Kenneth S. Parker
|Assignee=The Parker Pen Company
|Country=US
|ApplicationNum=584054
|ApplicationDate=1945-03-22
|PatentNum=2506035
|PatentDate=1950-05-02
|PriorityDate=1945-03-22
|Titolo=Writing instrument
|Marca=Parker
|Descrizione=Penna a sfera
}}
==Informazioni==
Brevetto per una penna a sfera. Riferimenti a {{MentionPatent|US|659989}}, {{MentionPatent|US|1472576}}, {{MentionPatent|US|1808377}}, {{MentionPatent|US|1808489}}, {{MentionPatent|US|2026657}}, {{MentionPatent|US|2053892}}, {{MentionPatent|US|2061059}}, {{MentionPatent|US|2228540}}, {{MentionPatent|US|2444003}} e {{MentionPatent|US|2444004}}.