| Patents for Joseph Hall Mfg. Co. |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 34,150 | Jan. 14, 1862 | J. Leffel | Improved water-wheel | turbine water wheels |
| RE1,791 | Oct. 11, 1864 | J. Leffel | Improvement in water-wheels | turbine water wheels |
| RE1,792 | Oct. 11, 1864 | J. Leffel | Improvement in cases for water-wheels | turbine water wheels |
| XC-2,396 | Jun. 28, 1867 | S.H. Cain | Motion for vertical saw, or method of giving an upright saw (single or gangs,) the oscillating, reciprocating or whip saw or rocking motion | reciprocating sawmills |
| XC-3,302 | Jun. 28, 1869 | S.H. Cain | Improvements in saw mills | sawmills |
| CA-13,359 | Sep. 02, 1881 | H. McKenzie | Improvements on spark arresters | spark arresters |
