| All Patents in class 279/134 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
| | 1,455,283 | May 15, 1923 | E.P. Bullard, Jr. | Electric-Operating Chucking Device |
| | 1,595,399 | Aug. 10, 1926 | S.E. Horton | Chuck |
| | 1,698,254 | Jan. 08, 1929 | E.P. Bullard, Jr. | Power Chuck |
| | 1,699,359 | Jan. 15, 1929 | H.M. Hay | Motor Operated Chuck |
| | 1,844,445 | Feb. 09, 1932 | G.A. Highberg, H.E. Sloan | Chuck |
| | 1,906,490 | May 02, 1933 | G.A. Highberg, H.E. Sloan | Chucking Mechanism |
| | 1,971,537 | Aug. 28, 1934 | G.A. Highberg, H.E. Sloan | Chuck |
| | 2,006,913 | Jul. 02, 1935 | K.H. Conley | Clutch Throwing Mechanism |
| | 2,122,360 | Jun. 28, 1938 | G.A. Highberg, H.E. Sloan | Chuck |
| | 2,215,922 | Sep. 24, 1940 | H.J. si, W.F. Groene | Power Chucking Mechanism |
