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{{PatentInfo |Inventor=Frederick Gilbert |Assignee=Lewis E. Waterman |Country=US |ApplicationNum=680770 |ApplicationDate=1898-05-16 |PatentNum=692009 |PatentDate=1902-01-28 |PriorityDate=1898-05-16 |Titolo=safety fountain-pen |Marca=Waterman |Descrizio...