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{{PatentInfo |Inventor=Derrick John Silver |Assignee=Mentmore Manufacturing Company Limited |Country=GB |ApplicationNum=2267/61 |ApplicationDate=1961-03-03 |PatentNum=1017991 |PatentDate=1966-01-26 |PriorityDate=1961-03-03 |Titolo=Improvements in self-...
{{PatentInfo
|Inventor=Derrick John Silver
|Assignee=Mentmore Manufacturing Company Limited
|Country=GB
|ApplicationNum=2267/61
|ApplicationDate=1961-03-03
|PatentNum=1017991
|PatentDate=1966-01-26
|PriorityDate=1961-03-03
|Titolo=Improvements in self-filling fountain pen
|Marca=Mentmore
|Descrizione=[[Caricamento a capillarità]]
}}
==Informazioni==
Brevetto per una penna con [[Used for feature::caricamento a capillarità]]. {{SamePatent|US|3116719}}
|Inventor=Derrick John Silver
|Assignee=Mentmore Manufacturing Company Limited
|Country=GB
|ApplicationNum=2267/61
|ApplicationDate=1961-03-03
|PatentNum=1017991
|PatentDate=1966-01-26
|PriorityDate=1961-03-03
|Titolo=Improvements in self-filling fountain pen
|Marca=Mentmore
|Descrizione=[[Caricamento a capillarità]]
}}
==Informazioni==
Brevetto per una penna con [[Used for feature::caricamento a capillarità]]. {{SamePatent|US|3116719}}