| Patents for John K. Hallock |
Patents 1 -
10
of 35
      |
| Picture | Number | Date | Patentee | Title |
 | 98,111 | Dec. 21, 1869 | G. Selden | Improvement in indicator for saw-mill head-blocks |
 | 99,486 | Feb. 01, 1870 | O.C. Briggs, G. Selden | Improvement in head-blocks for sawmills |
 | 179,662 | Jul. 11, 1876 | L.G. Bergström, G. Lennartson | Improvement in miter-planing machines |
 | 181,334 | Aug. 22, 1876 | L.H. Hall | Improvement in balanced valves |
 | 188,048 | Mar. 06, 1877 | L.H. Hall | Aligning a shaft while pouring Babbitt |
| | 208,030 | Sep. 17, 1878 | T.G. Morse | Improvement in boring-machines |
 | 210,850 | Dec. 17, 1878 | L.H. Hall | Imprrovement in hoisting-machines |
 | 213,002 | Mar. 04, 1879 | E.H. Stearns | Improvement in saw-mill dogs |
| | RE9,095 | Feb. 24, 1880 | L.H. Hall | Hoisting-machine |
 | 238,815 | Mar. 15, 1881 | E.H. Stearns | Lumber-trimming machine |
