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| Patents for Sidney P. Hollingsworth | |||||
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| Number | Date | Patentee | Title | Type | |
| 233,846 | Nov. 02, 1880 | J.H. Greenwood | Planer Chuck | metal planer chucks | |
| 240,513 | Apr. 26, 1881 | J.H. Greenwood | Planer Chuck | metal planer chucks | |
| 241,893 | May 24, 1881 | W.H. Thayer | Universal Tool | combination tools | |
| 404,016 | May 28, 1889 | H.M. Quackenbush | Nut Cracker | nutcrackers | |
| 533,124 | Jan. 29, 1895 | D.B. Hanson | Offsetting Sawmill Carriage | sawmill carriages | |
| 611,253 | Sep. 27, 1898 | J. Houlehan | Ratchet Drill | ||