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| All Patents in class 451/174 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 97,823 | Dec. 14, 1869 | W.F. Spear | Improvement in machine for polishing wood | |
 | 529,048 | Nov. 13, 1894 | M.H. Reynolds | Table sander | |
 | 643,707 | Feb. 20, 1900 | C.S. Yarnell | Abrading or polishing machine | |
 | 932,324 | Aug. 24, 1909 | C.S. Reno, H. Kaetker | Motor-driven swing-saw | |
| 2,079,891 | May 11, 1937 | G.R. Wood | Knife sharpener | ||
 | 5,525,099 | Jun. 11, 1996 | R.L. Wilson, L.C. Brickner, C.J. Baird | Apparatus for linearly displacing a rotatable spindle | |