| All Patents in class 188/151R |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 22,122 | Nov. 23, 1858 | J. Hyde | Screw-Wrench |
| | 301,091 | Jul. 01, 1884 | W.A. Campbell | Steam-brake for saw-mill carriages |
| | 358,534 | Mar. 01, 1887 | J.R. Bisbee, F.G. Bisbee | Brake for Stationary Engines |
| | 1,324,367 | Dec. 09, 1919 | E.W. Zeh | Power-press |
| | 1,766,236 | Jun. 24, 1930 | F.N. Whitesell | Automatic Hoisting Apparatus |
| | 2,257,771 | Oct. 07, 1941 | L.R. Williamson | Brake |
 | 2,378,304 | Jun. 12, 1945 | M.T. Knutzen | Control means for power operated machinery |
| | 2,465,942 | Mar. 29, 1949 | V.v. Sundt | Headstock control mechanism for machine tools |
| | 2,500,562 | Mar. 14, 1950 | L. Oliver | Centrifugally Operated Mechanism |
| | 2,559,925 | Jul. 10, 1951 | C.W. Barker | Work holder device |
