File:Patent-US-2557054.pdf
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Dettagli
Inventor |
Richard J. Mansheim |
---|---|
Assignee |
W. A. Sheaffer Pen Company |
Country |
US |
Application N° |
59585 |
Application Date |
1948-11-12 |
Patent N° |
2557054 |
Brevettato |
1951-06-12 |
Priorità |
1948-11-12 |
Brand | |
Title |
Writing instrument |
Description |
Penna a sfera |
Riferimenti esterni
Informazioni
Brevetto per una penna a sfera.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:37, 16 July 2012 | ![]() | 1,159 × 1,704, 5 pages (328 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Richard J. Mansheim |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=59585 |ApplicationDate=1948-11-12 |PatentNum=2557054 |PatentDate=1951-06-12 |PriorityDate=1948-11-12 |Titolo=Writing instrument |Marca=Sheaffer ... |
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