| All Patents in class 403/350 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 185,105 | Dec. 05, 1876 | W.S. How | Tools and Tool Holders | lathe tool holders and tool posts |
| 260,314 | Jun. 27, 1882 | G.V. Sheffield, J.A. Parks | Drill Chuck | drill press chucks |
| 280,099 | Jun. 26, 1883 | J.J. Tower | Pipe Wrench | wrench jaw components |
| 521,055 | Jun. 05, 1894 | C.W. Shartle | Slip-collar for pulleys, shafts, &c. | industrial machine pulleys and belt drive mechanisms |
| 790,590 | May 23, 1905 | J.R. Gordon, W.R. Reynolds | Tool-Handle | screwdriver handles |
| 1,458,802 | Jun. 12, 1923 | G.W. Bufford | Tool Holder and Tool | |
| 1,568,296 | Jan. 05, 1926 | J.A. Schleicher | Spindle clamping device | |
| 2,729,458 | Jan. 03, 1956 | E.P. Sacrey | Coupling structure | handheld routers |
| 2,756,080 | Jul. 24, 1956 | R.H. Andresen, H.A. Andresen | Rotary Seal and Clutch Assembly | shaft seals |
