| All Patents in class 408/187 |
Patents 1 -
15
of 15
      |
| Number | Title | Classification(s) |
| 797 | Machine for cutting screws on the ends of bedstead-rails | 408/187 |
| 50,328 | Improvement in Screw-Drivers | 408/187, 7/158, 7/165, 7/168 |
| 50,677 | Improvement in cutters for barrel-heads | 147/41, 30/310, 408/187 |
| 101,466 | Improved hand drilling-machine | 144/92, 408/138, 408/187 |
| 108,933 | Brace for cutting screw threads | 408/187 |
| 144,583 | Improvement in Tool-Holders and Cutter-Heads for Boring-Bars | 408/181, 408/187, 74/841 |
| 146,056 | Bit-stock | 408/187, 408/238, 7/168 |
| 358,731 | Countersink | 408/187 |
| 1,220,348 | Cutter-head | 408/151, 408/187, 470/82 |
| 1,721,129 | Adjusting Means for Threading Dies | 407/110, 407/64, 407/78, 407/90, 408/16, 408/187, 470/82 |
| 2,483,152 | Boring Tool Holder | 279/6, 403/103, 403/110, 403/362, 407/84, 407/91, 408/187 |
| 2,620,689 | Deburring Tool Having a Slender Body for Projecting Into an Aperture | 408/187, 82/1.5 |
| 2,716,360 | Deburring Tool | 408/161, 408/180, 408/187, 82/1.2 |
| 3,021,733 | Cutting Tool | 408/180, 408/187, 82/1.2, D15/139 |
| 3,132,543 | Deburring Tool | 408/187 |
