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| Patents for John S. Hollingshead | |||||
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| Number | Date | Patentee | Title | Type | |
| 76,236 | Mar. 31, 1868 | A.W. Newhall | Improvement in machines for sharpening and gumming saws | saw sharpening machines | |
| RE3,133 | Sep. 22, 1868 | L. Stevens | Improvement in Boring Machines | drilling and boring | |
| 82,617 | Sep. 29, 1868 | P. Geiser | Improvement in horse-power | animal powered apparatus | |
| 84,142 | Nov. 17, 1868 | W.S. Smoot | Improved Form of Combined Claw-Hammer, Wrench and Screw-Driver | combination tools | |