File:Patent-CH-6035.pdf
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Dettagli
Inventor |
Assegnatario |
---|---|
Assignee |
S. Roeder |
Country |
CH |
Application N° |
6035 |
Application Date |
1892-12-02 |
Patent N° |
6035 |
Brevettato |
1893-05-31 |
Priorità |
1892-12-02 |
Brand | |
Title |
Federförmiges Schreibwerkzeug aus Aluminium zum Schreiben auf Schiefertafeln |
Description |
Pennino doppio |
Riferimenti esterni
Informazioni
Brevetto per un pennino doppio. Non attinente ad una stilografica, ma indicativo di un limite inferiore per la nascita della Roeder.
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current | 19:05, 18 April 2014 | ![]() | 1,295 × 1,752, 2 pages (49 KB) | Piccardi (talk | contribs) | {{PatentInfo |Assignee=S. Roeder |Country=CH |ApplicationNum=6035 |ApplicationDate=1892-12-02 |PatentNum=6035 |PatentDate=1893-05-31 |PriorityDate=1892-12-02 |Titolo=Federförmiges Schreibwerkzeug aus Aluminium zum Schreiben auf Schiefertafeln |Marca=R... |
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