| Patents for Oscar J. Backus |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 131,616 | Sep. 24, 1872 | I. Hyde | Combined Water-Wheels and Sewing Machines | water wheels |
| GB-187,300,217 | Mar. 07, 1873 | A.M. Loryea, A.F. Sawyer, O.J. Backus | Applying Motive Power to Sewing Machines, Lathes, &c. | hydraulic motors |
| CA-2,338 | May 07, 1873 | I. Hyde | Maniere de Faire Mouvoir led Machines a Coudre et Autres | water wheels |
| RE5,590 | Oct. 07, 1873 | I. Hyde | Combined Water-Wheels and Sewing Machines | water wheels |
| 146,120 | Jan. 06, 1874 | O.J. Backus | Water Motors for Sewing-Machines | hydraulic motors |
| 171,256 | Dec. 21, 1875 | O.J. Backus | Centrifugal Water-Wheel | water wheels |
| 178,582 | Jun. 13, 1876 | O.J. Backus | Reversible Rotary Water Motor | hydraulic motors |
