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Patent:US1649478
| Patent: | US 1649478 |
| Title: | Calculating machine |
| Date: | 15.11.1927 |
| Place: | Norwood, OH und Tonawanda, NY |
| Country: | USA |
| Person: | Landsiedel, Walter William (P) |
| Company: | Remington (P) Rand Inc |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1649478 (espacenet), US1649478 (uspto) |
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