File:Patent-US-2811948.pdf
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Original file (1,159 × 1,704 pixels, file size: 235 KB, MIME type: application/pdf, 5 pages)
Dettagli
| Inventor |
David Kahn, Morris Levy |
|---|---|
| Assignee |
David Kahn Inc. |
| Country |
US |
| Application N° |
441464 |
| Application Date |
1954-06-06 |
| Patent N° |
2811948 |
| Brevettato |
1957-11-05 |
| Priorità |
1954-06-06 |
| Brand | |
| Title |
Locking device for fountain pen |
| Description |
Pennino intercambiabile |
Riferimenti esterni
Informazioni
Brevetto per un gruppo pennino intercambiabile. Riferimenti a nº US-495647, nº US-607398, nº US-1315373, nº US-1779836, nº US-1787406, nº US-1999177, nº US-2016106, nº US-2187528, nº US-2217884 e nº US-2289963; ed inoltre nº FR-59403E, nº GB-273514.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:42, 13 July 2012 |  | 1,159 × 1,704, 5 pages (235 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=David Kahn, Morris Levy |Assignee=David Kahn Inc. |Country=US |ApplicationNum=441464 |ApplicationDate=1954-06-06 |PatentNum=2811948 |PatentDate=1957-11-05 |PriorityDate=1954-06-06 |Titolo=Locking device for fountain pen |Marca=W... |
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