| All Patents in class 269/152 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 7,229 | Apr. 02, 1850 | H. Aiken | Clamp | |
| 66,014 | Jun. 25, 1867 | M.C. Gardner | Chuck for Iron Planing | metal planers |
| 126,895 | May 21, 1872 | J.F. Metz | Ten Woodworkers' Leg Vises on One Bench | leg vises |
| 462,050 | Oct. 27, 1891 | P.J. Kelly | Milling-machine | milling machines |
| 783,031 | Feb. 21, 1905 | E.M. Fell | Pipe-supporting device | plumber |
| 877,306 | Jan. 21, 1908 | W.L. Dinsmoor | Repair Tool | vises |
| 910,937 | Jan. 26, 1909 | E.P. Miller | Multiple-spindle index-center | milling machine accessories |
| 918,192 | Apr. 13, 1909 | A.E. Palmer | Clamping-machine | clamping machines |
| 982,979 | Jan. 31, 1911 | H.E. Morton | Work Holder for Shaping Machine | metal shaper accessories |
| 1,111,203 | Sep. 22, 1914 | W.J. Winston | Clamping Device for Key Seating Machines | key seating machines |
| 1,273,136 | Jul. 23, 1918 | O. Bergstrom | Clamping-machine | clamps |
| 1,375,686 | Apr. 26, 1921 | A.C. Felton | Clamp | clamps |
| 1,770,058 | Jul. 08, 1930 | W.K. Andrew | Clamping Device | milling machine accessories |
| 1,812,585 | Jun. 30, 1931 | J.G. Collins | Engine stand | |
| 1,930,343 | Oct. 10, 1933 | J.M. Hargrave | Clamp tightening machine | clamp carriers |
