Revision history of "File:Patent-US-1828019.pdf"

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  • (cur | prev) 13:54, 21 August 2013Piccardi (talk | contribs). . (460 bytes) (+14)
  • (cur | prev) 15:12, 2 August 2012Piccardi (talk | contribs). . (446 bytes) (+446). . ({{PatentInfo |Inventor=Gerald L. Bassett |Assignee=The Conklin Pen Company |Country=US |ApplicationNum=446215 |ApplicationDate=1930-07-07 |PatentNum=1828019 |PatentDate=1931-10-20 |PriorityDate=1930-07-07 |Titolo=Fountain pen filling device |Marca=Conk...)