| All Patents in class 451/450 |
Patents 1 -
15
of 59
      |
| Number | Title | Classification(s) |
| 41,419 | Improvement in Grinding Saws | 29/DIG.74, 451/132, 451/450, 76/50 |
| 189,613 | Improvement in lath machines | 451/450, 83/422, 83/425.3 |
| 220,384 | Lathes for Dental Surgery | 29/DIG.77, 29/DIG.79, 451/450 |
| 288,717 | Machine for Grinding Car Wheels | 29/DIG.74, 29/DIG.84, 29/DIG.93, 451/258, 451/450, 451/451, 82/104 |
| 342,290 | Machine for Grinding Mowing Machine Knives | 29/DIG.65, 451/122, 451/225, 451/372, 451/419, 451/450, 451/548 |
| 359,964 | Machine for grinding mower-knives | 29/DIG.065, 451/122, 451/372, 451/380, 451/450, 451/451, 451/548 |
| 367,331 | Grindstone-frame | 29/DIG.075, 29/DIG.09, 451/450 |
| 375,821 | Grinding Machine | 451/450, 451/451, 451/455 |
| 399,344 | Machine for fitting the ends of band-saws | 29/DIG.09, 451/120, 451/127, 451/450 |
| 407,577 | Machine for back-clearing twist-drills | 451/143, 451/220, 451/375, 451/406, 451/414, 451/450 |
| 443,572 | Dental Grindstone Wetter and Wiper | 29/DIG.69, 451/450 |
| 465,376 | Means for Grinding Cutlery or Other Articles | 29/DIG.101, 29/DIG.72, 29/DIG.74, 451/180, 451/450, 451/548, 51/300, 51/307 |
| 516,146 | Machine for sharpening razors, shears, &c. | 29/DIG.069, 451/121, 451/159, 451/160, 451/294, 451/367, 451/45, 451/450 |
| 575,737 | Machine for grinding knives of cutter-bars | 29/DIG.068, 29/DIG.09, 451/279, 451/380, 451/450 |
| 618,293 | Water-feeding device for grinding-wheels | 29/DIG.072, 29/DIG.101, 451/450, 451/455 |
