167 688
contributi
Modifiche
Jump to navigation
Jump to search
{{PatentInfo |Inventor=William F. Johnson |Assignee=The Mentmore Manufacturing Company Limited |Country=GB |ApplicationNum=3712/39 |ApplicationDate=1939-02-03 |PatentNum=524710 |PatentDate=1940-08-13 |PriorityDate=1939-02-03 |Titolo=Improvements in fou...
{{PatentInfo
|Inventor=William F. Johnson
|Assignee=The Mentmore Manufacturing Company Limited
|Country=GB
|ApplicationNum=3712/39
|ApplicationDate=1939-02-03
|PatentNum=524710
|PatentDate=1940-08-13
|PriorityDate=1939-02-03
|Titolo=Improvements in fountain pens
|Marca=Mentmore
|Descrizione=[[pennino]] intercambile
}}
==Informazioni==
Brevetto per un gruppo [[pennino]] intercambile.
|Inventor=William F. Johnson
|Assignee=The Mentmore Manufacturing Company Limited
|Country=GB
|ApplicationNum=3712/39
|ApplicationDate=1939-02-03
|PatentNum=524710
|PatentDate=1940-08-13
|PriorityDate=1939-02-03
|Titolo=Improvements in fountain pens
|Marca=Mentmore
|Descrizione=[[pennino]] intercambile
}}
==Informazioni==
Brevetto per un gruppo [[pennino]] intercambile.