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Search results for: Steiger, Otto
- Patent:CA47857 01.09.1895 Steiger, Otto (P) : Calculating machine
- Patent:CH6787 15.01.1894 Steiger, Otto (P) : Rechenmaschine
- Patent:DE72870 23.12.1892 Steiger, Otto (P) : Rechenmaschine
- Patent:FR228628 14.03.1893 Steiger, Otto (P) : Machine à calculer
- Patent:GB189320968 01.04.1889 Steiger, Otto (P) : Improved Calculating Machine
- Patent:US538710 07.05.1895 Steiger, Otto (P) : Multiplying or dividing machine
- Patent:US558913 21.04.1896 Steiger, Otto (P) : Calculating machine