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| Patents for Dugald McK. McKillop | |||||
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| Number | Date | Patentee | Title | Type | |
| 780,547 | Jan. 24, 1905 | J.B. Wiard | Starting-switch for electric motors | induction motors | |
| 800,334 | Sep. 26, 1905 | G.E. Stevens | Drive for machine-tools | drill presses | |
| 949,735 | Feb. 15, 1910 | N.B. Chace, J.C. Steen | Shaping-machine | metal shapers | |