| Patents for Nathan & Dreyfus |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
| | 64,956 | May 21, 1867 | I. Dreyfus | Improvement in automatic lubricators |
| | D3,434 | Mar. 30, 1869 | I. Dreyfus | Design for an oil-cup for journal-boxes |
| | 88,620 | Apr. 06, 1869 | A. Friedman | Steam Pump |
 | 106,261 | Aug. 09, 1870 | I. Dreyfus | Improvement in lubricators |
 | 109,118 | Nov. 08, 1870 | I. Dreyfus | Improvement in lubricators |
 | RE5,737 | Jan. 20, 1874 | J.R. Sees | Improvement in lubricators |
 | 166,080 | Jul. 27, 1875 | I. Dreyfus | Improvement in apparatus for ejecting water |
 | 182,180 | Sep. 12, 1876 | I. Dreyfus | Improvement in injectors |
 | 213,648 | Mar. 25, 1879 | A. Friedmann | Injector |
| | 234,157 | Nov. 09, 1880 | E. Wohlers | Injector |
