Revision history of "File:Patent-US-1902809.pdf"

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  • (cur | prev) 01:19, 23 August 2013Piccardi (talk | contribs). . (398 bytes) (+5)
  • (cur | prev) 14:03, 24 June 2012Piccardi (talk | contribs). . (393 bytes) (+393). . ({{PatentInfo |Inventor=Andreas Bienenstein |Assignee=The Conklin Pen Manufacturing Company |Country=US |ApplicationNum=497939 |ApplicationDate=1930-11-24 |PatentNum=1902809 |PatentDate=1933-03-28 |PriorityDate=1930-11-24 |Titolo=Plunger type pen |Marca...)