| Patents for Oratus S. French |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 167,738 | Sep. 14, 1875 | O.S. French, D. June, R. Brayton | Spark-Arrester | traction engine spark arresters |
| CA-7,735 | Aug. 09, 1877 | O.S. French, D. June, R. Brayton | Spark arrester | |
| CA-9,206 | Sep. 24, 1878 | R. Brayton, D. June, O.S. French | Procede pour Endure les Bouilleurs des Chadieres | traction engine boilers |
| 668,914 | Feb. 26, 1901 | O.S. French | Power Transmitting and Reversing Gear | traction engine propulsion components |
| 824,004 | Jun. 19, 1906 | O.S. French | Spark-Arrester | traction engine spark arresters |
