| All Patents in class 81/177.3 |
Patents 1 -
6
of 6
      |
| Number | Title | Classification(s) |
| 348,765 | Screw and Drill Tool | 279/83, 30/164.9, 81/177.3, 81/436, D8/82 |
| 471,221 | Paper Delivering Tip | 271/8.1, 273/129R, 294/25, 81/177.3, D11/27, D29/114, D3/29, D8/3 |
| 2,440,584 | Screw or Nut Driver | 81/177.3 |
| 2,543,283 | Screw and Nut Driving Tool | 294/25, 294/92, 81/177.3 |
| 2,585,641 | Finger-Supported Tool for Locating and Turning Small Nuts, Boltheads, Etc. | 294/25, 81/177.3, 81/436 |
| 2,735,321 | Finger Tip Tools | 294/25, 81/111, 81/121.1, 81/13, 81/177.3, 81/436 |
