Revision history of "File:Patent-US-1511225.pdf"

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  • (cur | prev) 15:01, 28 July 2012Piccardi (talk | contribs). . (316 bytes) (+316). . ({{PatentInfo |Inventor=Gabriel Larsen |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=561613 |ApplicationDate=1922-05-17 |PatentNum=1511225 |PatentDate=1924-10-14 |PriorityDate=1922-05-17 |Titolo=Pencil |Marca=Waterman |Descrizione=Matita ...)
Application date1922年5月17日 (三) +
Application number561613 +
Assigned toL. E. Waterman Company +
Invented byGabriel Larsen +
Patent date1924年10月14日 (二) +
Patent descriptionMatita meccanica +
Patent number1511225 +
Patent titlePencil +
Patented byWaterman +
Patented inUS +
Priority date1922年5月17日 (三) +