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| Patents for John Stephens | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,517X | May 21, 1811 | J. Stephens | Steam engine for propelling boats | ||
| 2,454X | Mar. 14, 1816 | J. Stephens | Sliders for steam engines | ||
| 2,457X | Mar. 16, 1816 | J. Stephens | Steam engines | ||
| 3,884X | Jun. 08, 1824 | J. Stephens | Construction of rail road | ||
| 3,958X | Oct. 23, 1824 | J. Stephens | Mode of constructing rail roads | ||
 | 8,715X | Mar. 25, 1835 | M. Rich | Lever sawmill dog | |
| 8,725X | Mar. 27, 1835 | M. Rich | Dog gauge saw mill | ||
 | 395,840 | Jan. 08, 1889 | A. Lang | Saw-mill feed mechanism | |