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| Patents for S. P. Hollingsworth | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 167,311 | Aug. 31, 1875 | L.L. Davis | Improvement in Bench-Planes | |
| 918,450 | Apr. 13, 1909 | H.F. Howland | Wrench | ||
| 1,281,001 | Oct. 08, 1918 | C.R. Hazel | Grinding and Polishing Machine | ||