Revision history of "File:Patent-GB-182234.pdf"

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  • (cur | prev) 01:44, 16 July 2015Piccardi (talk | contribs). . (444 bytes) (+444). . ({{PatentInfo |Inventor=George Davies |Assignee=The Wyvern Fountain Pen Co. |Country=GB |ApplicationNum=10500/21 |ApplicationDate=1921-04-09 |PatentNum=182234 |PatentDate=1922-07-06 |PriorityDate=1921-04-09 |Titolo=Improvements in and relating to prope...)
Fatti riguardanti Patent-GB-182234.pdf
Application dateaprile 9, 1921 +
Application number10500/21 +
Assigned toThe Wyvern Fountain Pen Co. +
Invented byGeorge Davies +
Patent dateluglio 6, 1922 +
Patent descriptionMatita meccanica per combo +
Patent number182234 +
Patent titleImprovements in and relating to propelling actions or devices for pencil holders +
Patented byWyvern Fountain Pen Company +
Patented inGB +
Priority dateaprile 9, 1921 +