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| All Patents in class 279/120 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 164,032 | Jun. 01, 1875 | G.M. Pratt | Chucks for Metal Drills | |
 | RE8,793 | Jul. 08, 1879 | G.M. Pratt | Chuck for Metal Drills | |
| 385,474 | Jul. 03, 1888 | F. Müller | Lathe Chuck | ||
 | 566,725 | Aug. 25, 1896 | T.E. Cherry | Chuck | |
| 737,204 | Aug. 25, 1903 | E.W. Bullard | Screw Cutting Device | ||
| 843,682 | Feb. 12, 1907 | C.A. Rich, F.N. Macleod | Chuck | ||
 | 961,867 | Jun. 21, 1910 | P.F. Krug | Chuck | |
 | 1,075,756 | Oct. 14, 1913 | W.L. Bryand | Chuck | |