Revision history of "File:Patent-FR-828489.pdf"

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Facts about "Patent-FR-828489.pdf"
Application dateJanuary 30, 1937 +
Application number828489 +
Assigned toSociété anonyme des établissements Stylomine +
Patent dateMay 18, 1938 +
Patent descriptionCorpo a sezioni trasparenti +
Patent number828489 +
Patent titleNouveau procédé pour assurer la visibilité de l'encre dans les stylographes +
Patented byStylomine +
Patented inFR +
Priority dateJanuary 30, 1937 +