File:Patent-US-2949887.pdf
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Original file (1,159 × 1,704 pixels, file size: 629 KB, MIME type: application/pdf, 8 pages)
Dettagli
| Inventor |
Lynn P. Martin, Elmer D. Thompson, Roland L. Brannon, Lee W. Ross |
|---|---|
| Assignee |
W. A. Sheaffer Pen Company |
| Country |
US |
| Application N° |
609281 |
| Application Date |
1956-09-11 |
| Patent N° |
2949887 |
| Brevettato |
1960-08-23 |
| Priorità |
1956-09-11 |
| Brand | |
| Title |
Writing instrument |
| Description |
Stilografica retrattile |
Riferimenti esterni
Informazioni
Brevetto per una penna a gruppo pennino retrattile, mai prodotta. Riferimento a nº US-2610612, nº US-2769427, nº US-2784699; nº US-1743786, nº US-2291859, nº US-2413234 e nº US-2799247; ed inoltre nº GB-190821631, nº GB-118130.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:53, 21 July 2012 |  | 1,159 × 1,704, 8 pages (629 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Lynn P. Martin, Elmer D. Thompson, Roland L. Brannon, Lee W. Ross |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=609281 |ApplicationDate=1956-09-11 |PatentNum=2949887 |PatentDate=1960-08-23 |PriorityDate=1956-09... |
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