Information for "File:Patent-GB-171154.pdf"

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Display titleFile:Patent-GB-171154.pdf
Default sort keyPatent-GB-171154.pdf
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Page ID12831
Page content languageit - Italian
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Page creatorPiccardi (talk | contribs)
Date of page creation23:00, 18 March 2014
Latest editorPiccardi (talk | contribs)
Date of latest edit08:16, 27 August 2016
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Facts about "Patent-GB-171154.pdf"
Application dateAugust 6, 1920 +
Application number23159/20 +
Assigned toWilliam Price De Witt +
Invented byWilliam P. De Witt +
Patent dateNovember 7, 1921 +
Patent descriptionMatita meccanica +
Patent number171154 +
Patent titleImprovements in pencil holders +
Patented byDe Witt-La France +
Patented inGB +
Priority dateApril 19, 1920 +
Same invention ofFile:Patent-US-1472962.pdf +, File:Patent-FR-526035.pdf + and File:Patent-DE-349147.pdf +