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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

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