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Patent:USRE8334
| Patent: | US RE8334 |
| Title: | Perpetual Time and Interest Calculator |
| Date: | 16.07.1878 |
| Place: | |
| Country: | USA |
| Person: | J. Kachelman, Jr. |
| Company: | |
| Internal Links: | Datumsrechner, Zinsrechner |
| Keywords: | |
| Link to the patent office: (without guarantee) |  USRE8334 (espacenet), USRE8334 (uspto) |
Aus der Patentschrift USRE8334