All Patents in class 279/82 |
Patents 1 -
10
of 14
      |
Picture | Number | Date | Patentee | Title |
 | 17,770 | Jul. 07, 1857 | A.J. Smith | Bit or drill holder |
 | 632,560 | Sep. 05, 1899 | Z.T. Furbish | Tool-Stock Chuck |
 | 688,800 | Dec. 10, 1901 | F.W. Steuer | Turret-head for monitor-lathes |
 | 1,138,465 | May 04, 1915 | T.J. Fegley, G.O. Leopold | Chuck |
 | 1,209,572 | Dec. 19, 1916 | T.J. Fegley | Chuck |
 | 1,571,497 | Feb. 02, 1926 | G.W. Staley | Extension Bit |
 | 1,653,762 | Dec. 27, 1927 | G.O. Leopold, T.J. Fegley | Chuck |
| 1,917,531 | Jul. 11, 1933 | J.F. Lincoln | Electric Arc Welding Apparatus |
| 2,188,158 | Jan. 23, 1940 | G.L. Rock | Screw driver |
 | 2,405,961 | Aug. 20, 1946 | F.J. Lapointe | Pull head for broaching machines |