| Patents for Andrew J. Hoag |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 225,560 | Mar. 16, 1880 | A.J. Hoag, E.D. Brown | Traction Engine | steam traction engines |
| 244,807 | Jul. 26, 1881 | A.J. Hoag | Reversing Gear for Steam Traction Engines | traction engine propulsion components |
| RE9,951 | Nov. 29, 1881 | A.J. Hoag | Reversing Gear for Steam Traction Engines | traction engine propulsion components |
| 265,809 | Oct. 10, 1882 | J.A. Drew, A.J. Hoag | Traction Engine | traction engine propulsion components |
| 303,516 | Aug. 12, 1884 | A.J. Hoag | Traction Engine | traction engine suspensions |
