− | Brevetto per una penna a stilo. {{SamePatent|US|2891512}} {{SamePatent|BE|548110}} {{SamePatent|CH|343260}} {{SamePatent|FR|1149886}} {{SamePatent|GB|784388}} Riferimenti a {{MentionPatent|DE|249042}}, {{MentionPatent|DE|273638}}, {{MentionPatent|DE|349408}}, {{MentionPatent|DE|351930}}, {{MentionPatent|DE|832559}}, {{MentionPatent|AT|85902}}, {{MentionPatent|CH|81788}}, {{MentionPatent|CH|170012}}, {{MentionPatent|CH|117009}} e {{MentionPatent|FR|517248}}. | + | Brevetto per una penna a stilo. {{SamePatent|US|2891512}} {{SamePatent|BE|548110}} {{SamePatent|CH|343260}} {{SamePatent|FR|1149886}} {{SamePatent|GB|784388}} Riferimenti a {{MentionPatent|DE|249042}}, {{MentionPatent|DE|273638}}, {{MentionPatent|DE|349408}}, {{MentionPatent|DE|351930}}, {{MentionPatent|DE|832559}}, {{MentionPatent|AT|85902}}, {{MentionPatent|CH|81788}}, {{MentionPatent|CH|107012}}, {{MentionPatent|CH|117009}} e {{MentionPatent|FR|517248}}. |