File:Patent-DE-468697.pdf
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Dettagli
| Inventor |
Assegnatario |
|---|---|
| Assignee |
Kohler & Schaefer in Pforzheim |
| Country |
DE |
| Application N° |
K104067 |
| Application Date |
1927-04-30 |
| Patent N° |
468697 |
| Brevettato |
1928-11-26 |
| Priorità |
1927-04-30 |
| Brand | |
| Title |
Wechselschreibstift |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica multipla. Estensione del brevetto n° DE-467712. Si è identificata l'azienda come Kosca, dato che la ragione sociale è la stessa, non è chiara la relazione con la ditta milanese.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:00, 22 September 2013 |  | 1,295 × 1,752, 3 pages (236 KB) | Piccardi (talk | contribs) | {{PatentInfo |Assignee=Kohler & Schaefer in Pforzheim |Country=DE |ApplicationNum=K104067 |ApplicationDate=1927-04-30 |PatentNum=468697 |PatentDate=1928-11-26 |PriorityDate=1927-04-30 |Titolo=Wechselschreibstift |Marca=Kosca |Descrizione=Matita meccani... |
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