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| Patents for Dole, Silver & Felch | |||||
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| Number | Date | Patentee | Title | Type | |
| 11,364 | Jul. 25, 1854 | L.A. Dole | Self-centering hub-boring machine | wood lathe chucks | |
| 15,718 | Sep. 09, 1856 | L.A. Dole | Saw-gummer | saw gummers | |
| 20,779 | Jul. 06, 1858 | L.A. Dole | Boring-machine | drilling and boring | |