Patents for Hubert Howson |
Patents 1 -
15
of 31
      |
Number | Title | Classification(s) |
135,337 | Improvement in mortising machines | 144/77, 279/56 |
136,794 | Slide Rests for Lathes | 82/137 |
139,148 | Improvement in machines for bending pipe-stems | 144/267 |
140,938 | Improvement in rotary cutters | 144/219 |
142,493 | Planing Machines | 409/339 |
142,694 | Improvement in boring-mills | 408/69, 82/124 |
143,667 | Corn Huskers | 460/33 |
149,020 | Metal Shaft Turning Lathes | 29/27B, 29/27R, 29/90.01, 82/117, 82/130, 82/142, 82/164 |
156,989 | Improvement in Saw Grinding Machines | 451/143, 451/146 |
157,634 | Improvement in handles for saws | 16/DIG12, 30/525, D8/97 |
159,723 | Improvement in grinding apparatus | 144/251.1, 29/DIG.09, 451/455 |
161,746 | Improvement in lumber | 144/136.1, 144/354, 144/371, 156/257, 428/106, 52/796.1, 56/284 |
162,355 | Plaster's Trowel | 15/235.4 |
162,444 | Improvement in metal-turning lathes | 82/117, 82/142, 82/152 |
163,162 | Improvement in Saw Sets | 76/71 |