All Patents in class 144/100 |
Patents 1 -
8
of 8
      |
Number | Title | Classification(s) |
26,520 | Machine for boring hubs | 144/100 |
36,573 | Improved machine for boring hubs | 144/100 |
53,216 | Improvement in machines for boring hubs | 144/100, 408/175 |
86,006 | Improvement in hub-boring machine | 144/100, 408/138 |
166,788 | Improvement in hub-boring machines | 144/100, 269/218 |
171,779 | Improvement in machines for boring hubs | 144/100, 144/98 |
198,081 | Improvement in hub-boring-machines | 144/100, 144/98 |
259,447 | Machine for boring axle-holes in hubs, &c. | 144/100, 408/106 |