| Patents for Frank F. Landis |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
 | 161,970 | Apr. 13, 1875 | F.F. Landis | Portable Steam Engine |
 | 244,758 | Jul. 26, 1881 | F.F. Landis | Steam-engine valve-gear |
 | 245,841 | Aug. 16, 1881 | F.F. Landis | Traction Engine |
 | 246,019 | Aug. 23, 1881 | F.F. Landis | Traction Engine |
| | 252,044 | Jan. 10, 1882 | F.F. Landis | Compensating Gear for Road Engines |
 | 266,698 | Oct. 31, 1882 | F.F. Landis | Traction Engine |
 | 268,808 | Dec. 12, 1882 | F.F. Landis | Traction Engine |
 | 286,313 | Oct. 09, 1883 | F.F. Landis | Traction Engine |
 | 294,793 | Mar. 11, 1884 | F.F. Landis | Traction Engine Bearing |
 | 294,794 | Mar. 11, 1884 | F.F. Landis | Traction Engine |
