File:Patent-GB-497169.pdf
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Original file (1,295 × 1,752 pixels, file size: 190 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
Edward G. Knight |
|---|---|
| Assignee |
Thomas De La Rue and Company |
| Country |
GB |
| Application N° |
30504/37 |
| Application Date |
1937-11-06 |
| Patent N° |
497169 |
| Brevettato |
1938-12-14 |
| Priorità |
1937-11-06 |
| Brand | |
| Title |
Improvements in or relating to fountain pens |
| Description |
Celluloide semi-trasparente |
Riferimenti esterni
Informazioni
Brevetto per una lavorazione della celluloide che consenta di ottenere effetti di trasparenza, da usare per produrre il materiale del corpo delle penne, usato ad esempio sulla Magna.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:06, 1 July 2012 |  | 1,295 × 1,752, 3 pages (190 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Edward G. Knight |Assignee=Thomas De La Rue and Company |Country=GB |ApplicationNum=30504/37 |ApplicationDate=1937-11-06 |PatentNum=497169 |PatentDate=1938-12-14 |PriorityDate=1937-11-06 |Titolo=Improvements in or relating to fou... |
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