Revision history of "File:Patent-US-1508311.pdf"

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  • (cur | prev) 01:02, 19 August 2013Piccardi (talk | contribs). . (449 bytes) (+33)
  • (cur | prev) 16:43, 19 August 2012Piccardi (talk | contribs). . (416 bytes) (+416). . ({{PatentInfo |Inventor=Francis W. Vaughn |Assignee=Vaughn-Upton Company |Country=US |ApplicationNum=580324 |ApplicationDate=1922-08-07 |PatentNum=1508311 |PatentDate=1924-09-09 |PriorityDate=1922-08-07 |Titolo=Fountain-pen |Marca=Unbranded |Descrizione...)