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Patent:US934756
| Patent: | US 934756 |
| Title: | CONTROLLING DEVICE FOR CALCULATING MACHINES WITH TWO COUNTING MECHANISMS |
| Date: | 02.11.1908 |
| Place: | Berlin, Deutschland |
| Country: | USA |
| Person: | Rein, Robert (P) |
| Company: | |
| Internal Links: | Duplexmaschine; Unitas |
| Keywords: | 2 Rechenwerke |
| Link to the patent office: (without guarantee) |  US934756 (espacenet), US934756 (uspto) |
Patented: Sept. 21, 1909
Siehe auch Patent:US897659
US934756A Bild