File:Patent-DE-521001.pdf
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Dettagli
Inventor |
Assegnatario |
---|---|
Assignee |
Moster-Penkala G.m.b.H. |
Country |
DE |
Application N° |
K10.30 |
Application Date |
1930-01-23 |
Patent N° |
521001 |
Brevettato |
1931-03-17 |
Priorità |
1930-01-23 |
Brand | |
Title |
Zweifarbenschreibstift |
Description |
Penna a due colori |
Riferimenti esterni
Informazioni
Brevetto per una penna a due colori.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:55, 23 December 2021 | ![]() | 1,296 × 1,754, 3 pages (98 KB) | Piccardi (talk | contribs) | == Dettagli == {{PatentInfo |Assignee=Moster-Penkala G.m.b.H. |Country=DE |ApplicationNum=K10.30 |ApplicationDate=1930-01-23 |PatentNum=521001 |PatentDate=1931-03-17 |PriorityDate=1930-01-23 |Titolo=Zweifarbenschreibstift |Marca=Penkala |Descrizione=Penna a due colori }} ==Informazioni== Brevetto per una penna a due colori. |
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