| All Patents in class 188/75 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 408,291 | Aug. 06, 1889 | E.P. Bullard | Brake for Lathe Spindles | metalworking machine mechanisms |
| 1,234,334 | Jul. 24, 1917 | I.E. Hindman | Brake mechanism for lifting-jacks | vehicle mechanic |
| 2,257,771 | Oct. 07, 1941 | L.R. Williamson | Brake | metalworking presses |
| 2,375,169 | May 01, 1945 | R.H. McClellan, C.E. Linden | Clamping mechanism for machine tools | radial drill presses |
| 2,538,629 | Jan. 16, 1951 | W.F. Raffke | Tool lifter | metal shapers |
| 2,682,933 | Jul. 06, 1954 | W.G. Hoelscher | Clamping mechanism for machine tools | radial drill presses |
| 2,699,078 | Jan. 11, 1955 | R.N. Knosp, C.E. Linden, F.O. Wetzel | Machine tool clamping mechanism | radial drill presses |
| 2,762,243 | Sep. 11, 1956 | F.O. Wetzel, C.E. Linden, R.N. Knosp | Machine Tool Clamping Mechanism | metalworking machine mechanisms |
