Information for "File:Patent-US-1511225.pdf"

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Display titleFile:Patent-US-1511225.pdf
Default sort keyPatent-US-1511225.pdf
Page length (in bytes)316
Page ID7699
Page content languageit - Italian
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Page creatorPiccardi (talk | contribs)
Date of page creation15:01, 28 July 2012
Latest editorPiccardi (talk | contribs)
Date of latest edit15:01, 28 July 2012
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关于“Patent-US-1511225.pdf”的事实
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) +