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| Patents for John F. Steward | |||||
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| Number | Date | Patentee | Title | Type | |
| 455,477 | Jul. 07, 1891 | J.F. Steward | Drill Bit Extension, Etc. | drill bit extensions | |
| 460,256 | Sep. 29, 1891 | J.F. Steward | Handle for rotary tools | screwdriver handles | |
| 472,591 | Apr. 12, 1892 | J.F. Steward | Screw-Driver | screwdrivers | |
| 580,387 | Apr. 13, 1897 | J.F. Steward, G.H. Ellis | Explosive Engine | oil engines | |