File:Patent-GB-511521.pdf
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Dettagli
Inventor |
Arthur E. Andrews |
---|---|
Assignee |
The Mentmore Manufacturing Company Limited |
Country |
GB |
Application N° |
5183/38 |
Application Date |
1938-02-18 |
Patent N° |
511521 |
Brevettato |
1939-08-21 |
Priorità |
1938-02-18 |
Brand | |
Title |
Improvements in or relating to stylographic pens |
Description |
Riferimenti esterni
Informazioni
Brevetto per una penna a stilo. Stessa invenzione di nº CH-215680. Stessa invenzione di nº FR-847613. Stessa invenzione di nº US-2189696. Stessa invenzione di nº CA-398744.
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current | 03:01, 28 November 2013 | ![]() | 1,295 × 1,752, 6 pages (563 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Arthur E. Andrews |Assignee=The Mentmore Manufacturing Company Limited |Country=GB |ApplicationNum=5183/38 |ApplicationDate=1938-02-18 |PatentNum=511521 |PatentDate=1939-08-21 |PriorityDate=1938-02-18 |Titolo=Improvements in or r... |
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