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| Patents for Robt. F. Gaylord | |||||
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| Number | Date | Patentee | Title | Type | |
| 186,197 | Jan. 16, 1877 | P. Chapin, Sr. | Improvements Pertaining to Adjustable Wrenches | screw adjust wrenches | |
| 225,745 | Mar. 23, 1880 | L. Chapman | Dies For Forming Wrench-Heads | wrench jaw components | |
| 257,981 | May 16, 1882 | S.R. Rust | Bench-Plane | ||
| 408,565 | Aug. 06, 1889 | G.D. Woodworth | Cigar Box Opener | combination tools | |