Revision history of "File:Patent-GB-621822.pdf"

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  • (cur | prev) 22:44, 3 November 2013Piccardi (talk | contribs). . (382 bytes) (+382). . ({{PatentInfo |Inventor=Leslie William Johnson, Edward Stephen Sears |Assignee=Mabie, Todd & Company Limited |Country=GB |ApplicationNum=33676/46 |ApplicationDate=1946-11-13 |PatentNum=621822 |PatentDate=1949-04-20 |PriorityDate=1946-11-13 |Titolo=Impro...)
Facts about "Patent-GB-621822.pdf"
Application dateNovember 13, 1946 +
Application number33676/46 +
Assigned toMabie, Todd & Company Limited +
Invented byLeslie William Johnson + and Edward Stephen Sears +
Patent dateApril 20, 1949 +
Patent descriptionPenna a sfera +
Patent number621822 +
Patent titleImprovements in or relating to fountain pens +
Patented bySwan +
Patented inGB +
Priority dateNovember 13, 1946 +