Revision history of "File:Patent-GB-336190.pdf"

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Facts about "Patent-GB-336190.pdf"
Application dateFebruary 11, 1930 +
Application number4539/30 +
Assigned toSimplo Füllfeder Gesellshaft Voss, Lausen & Dziambor +
Invented byClaus Johannes Voss +, Christian Lausen + and Wilhelm Dziambor +
Patent dateOctober 9, 1930 +
Patent descriptionMatita meccanica +
Patent number336190 +
Patent titleImprovements in or relating to propeller pencils +
Patented byMontblanc +
Patented inGB +
Priority dateFebruary 28, 1929 +
Same invention ofFile:Patent-DE-481237.pdf +, File:Patent-US-1833244.pdf + and File:Patent-FR-690093.pdf +