Revision history of "File:Patent-GB-345712.pdf"
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Facts about "Patent-GB-345712.pdf"
| Application date | January 11, 1930 + |
| Application number | 1116/30 + |
| Assigned to | Mabie, Todd & Company Limited + |
| Patent date | April 2, 1931 + |
| Patent description | Matita meccanica + |
| Patent number | 345712 + |
| Patent title | Improvements in propelling pencils + |
| Patented by | Swan + |
| Patented in | GB + |
| Priority date | January 11, 1930 + |
| Same invention of |  +,  +, File:Patent-AT-124116.pdf + and File:Patent-BE-369135.pdf + |
