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| Patents for Fred Curtis | |||||
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| Number | Date | Patentee | Title | Type | |
| 76,656 | Apr. 14, 1868 | B.L. Randall | Machinists' Vise | bench vises | |
| 115,324 | May 30, 1871 | W. Kerr, Jr. | Improvement in Chucks for Watchmakers' Lathes | metal lathe chucks | |
| 119,280 | Sep. 26, 1871 | R. Phillps | Improvement in Vises | bench vises | |
| 138,528 | May 06, 1873 | H.B. Day, G.P. Reed | Combined Watch-Key and Screw-driver | screwdrivers | |