File:Patent-US-2328580.pdf
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Original file (1,159 × 1,704 pixels, file size: 77 KB, MIME type: application/pdf, 2 pages)
Dettagli
| Inventor |
Milton R. Pickus |
|---|---|
| Assignee |
The Parker Pen Company |
| Country |
US |
| Application N° |
423693 |
| Application Date |
1941-12-19 |
| Patent N° |
2328580 |
| Brevettato |
1943-09-07 |
| Priorità |
1941-12-19 |
| Brand | |
| Title |
Ruthenium alloy pen point |
| Description |
Lega per pennini |
Riferimenti esterni
Informazioni
Brevetto per la realizzazione delle punte dei pennini in rutenio.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:07, 6 August 2012 |  | 1,159 × 1,704, 2 pages (77 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Milton R. Pickus |Assignee=Parker Pen Company |Country=US |ApplicationNum=423693 |ApplicationDate=1941-12-19 |PatentNum=2328580 |PatentDate=1943-09-07 |PriorityDate=1941-12-19 |Titolo=Ruthenium alloy pen point |Marca=Parker |Desc... |
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