Revision history of "File:Patent-US-1658940.pdf"

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  • (cur | prev) 12:34, 21 August 2013Piccardi (talk | contribs). . (388 bytes) (+10)
  • (cur | prev) 01:06, 29 June 2012Piccardi (talk | contribs). . (378 bytes) (+378). . ({{PatentInfo |Inventor=Robert T. Pollock |Assignee=Pollock Pen Company |Country=US |ApplicationNum=518772 |ApplicationDate=1921-11-30 |PatentNum=1658940 |PatentDate=1928-01-24 |PriorityDate=1921-11-30 |Titolo=Fountain pen |Marca=John Hancock |Descrizi...)