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Patent:US641285
| Patent: | US 641285 |
| Title: | Pocket Cash Register |
| Date: | 16.01.1900 |
| Place: | Chester, Delaware, Pennsylvania, USA |
| Country: | USA |
| Person: | Gardy, Henry D. (P) und Burke, Taylor C. (P) |
| Company: | |
| Internal Links: | Zähler |
| Keywords: | Zylinder, Taschenrechner, Zähler, Tasche |
| Link to the patent office: (without guarantee) |  US641285 (espacenet), US641285 (uspto) |
Filed: 15. Aug. 1899
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