| Patents for Hall Manufacturing Co. |
Patents 1 -
15
of 57
      |
| Number | Title | Classification(s) |
| 75,576 | Bench Vise | 269/258 |
| 113,656 | Improvement in Vises | 269/259 |
| 211,993 | Improvement in Pipe Gripes for Vises | 269/262, 269/268, 269/272 |
| 231,181 | Pipe-grip | 269/272, 269/282 |
| CA-19,434 | Bench vice | |
| 1,692,439 | Grinding Tool | 384/191.2 |
| GB-300,746 | Improvements in Cylinder Grinders | |
| 1,694,705 | Valve Hone | 150/132 |
| 1,695,548 | Gas Burner | 5/149, 5/3, 5/507.1 |
| CA-285,926 | Cylinder Hone | |
| 1,696,477 | Cylinder Hone | 451/473, 451/476 |
| CA-290,588 | Cylinder Hone | |
| 1,723,160 | Supporting Standard for Cylinder Hones | 215/329 |
| 1,748,126 | Pilot Stem | 165/54, 454/90, 62/242, 62/419, 62/425 |
| 1,760,493 | Portable Grinding Tool | 24/27 |
