Piccardi
{{PatentInfo |Inventor=Roger François Perraud |Assignee=A. J. Fagard & C.ie |Country=GB |ApplicationNum=9788/47 |ApplicationDate=1947-04-12 |PatentNum=623792 |PatentDate=1949-05-23 |PriorityDate=1946-04-15 |Titolo=Improved propelling pencil |Marca=JiF...