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| Patents for W. A. Stephens | |||||
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| Number | Date | Patentee | Title | Type | |
| 274,871 | Mar. 27, 1883 | G.F. Whitman | Baling-press | hay or straw binders | |
| 307,610 | Nov. 04, 1884 | H.L. Whitman | Broadcast seed-sower | seeders | |
| 321,071 | Jun. 30, 1885 | H.L. Whitman | Harrow | harrows | |
| 373,870 | Nov. 29, 1887 | H.L. Whitman, G.F. Whitman | Broadcast seed-sower | seeders | |