| All Patents of Type: grinders |
Patents 1 -
15
of 182
      |
| Number | Title | Classification(s) |
| 8,224X | Elliptical Spindle Grinder | 451/1 |
| 3,105 | Discharging Dust from Grinding Wheels | 29/DIG.86, 451/456 |
| 72,636 | Grinding and Polishing Concave Surfaces | 451/211, 451/51 |
| 81,608 | Machine for Grinding Metal Articles | 451/215, 451/365, 451/393 |
| 81,611 | Grindstone Frame | 451/342, 451/406 |
| 103,242 | Improvement in Tool Grinding Attachment for Lathes | 451/294, 451/360, 451/435 |
| 105,392 | Grinding Apparatus | 29/DIG.69, 451/406 |
| 124,134 | Improvement in cowls for emery-wheels | 451/451 |
| 130,014 | Improvement in Grindstones | 451/178, 451/361 |
| 145,488 | Grinding Machines | 408/72R, 82/150 |
| 193,437 | Improvement in machines for grinding mower and reaper knives | 451/232, 451/372, 451/383, 451/548 |
| 197,711 | Improvement in machines for grinding lawn-motor cutter | 451/213, 451/216, 451/220, 451/45 |
| 205,416 | Improvement in Grinding-Machines | 451/365, 451/372, 451/377 |
| 248,744 | Machine for grinding steel bars | 451/216, 451/405, 74/522 |
| 251,141 | Machine for grinding pulleys | 451/142, 451/385 |
