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{{PatentInfo |Inventor=Edwards Ernest Ethelbert |Assignee=Conway Stewart & Co. |Country=GB |ApplicationNum=299/67 |ApplicationDate=1967-01-03 |PatentNum=1150333 |PatentDate=1969-04-30 |PriorityDate=1967-01-03 |Titolo=Improvements in and relating to ba...
{{PatentInfo
|Inventor=Edwards Ernest Ethelbert
|Assignee=Conway Stewart & Co.
|Country=GB
|ApplicationNum=299/67
|ApplicationDate=1967-01-03
|PatentNum=1150333
|PatentDate=1969-04-30
|PriorityDate=1967-01-03
|Titolo=Improvements in and relating to ball-point pens
|Marca=Conway Stewart
|Descrizione=Penna a sfera
}}
==Informazioni==
Brevetto per una penna a sfera.
|Inventor=Edwards Ernest Ethelbert
|Assignee=Conway Stewart & Co.
|Country=GB
|ApplicationNum=299/67
|ApplicationDate=1967-01-03
|PatentNum=1150333
|PatentDate=1969-04-30
|PriorityDate=1967-01-03
|Titolo=Improvements in and relating to ball-point pens
|Marca=Conway Stewart
|Descrizione=Penna a sfera
}}
==Informazioni==
Brevetto per una penna a sfera.