Patent:US2209217
Patent: | US 2209217 |
Title: | Accounting machine |
Date: | 23.07.1940 |
Place: | Bridgeport, CT und New York |
Country: | USA |
Person: | Anderson, Walter (P) |
Company: | Underwood Elliott-Fisher (P) Corp. |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | US2209217 (espacenet), US2209217 (uspto) |
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