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Patent:US861861
| Patent: | US 861861 |
| Title: | Ellipsograph |
| Date: | 30.07.1907 |
| Place: | |
| Country: | USA |
| Person: | J. T. Kelly |
| Company: | |
| Internal Links: | Ellipsograph |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US861861 (espacenet), US861861 (uspto) |
Aus der Patentschrift US861861