| Patents for Charles Hall |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 61,420 | Jan. 22, 1867 | C. Hall | Tool Holder for Planing Machines | metal planer accessories |
| 86,534 | Feb. 02, 1869 | C. Hall | Improvement in Screw-Wrench | quick adjust wrenches |
| 223,094 | Dec. 30, 1879 | J.P. Barnard | Improvement in dogs for saw-mill head-blocks | sawmill dogs |
| 317,642 | May 12, 1885 | C. Hall, J. Young | Bolt-machine | nut or bolt making machines |
| 516,485 | Mar. 13, 1894 | C. Hall | Pipe Wrench | pipe wrenches |
| CA-45,993 | May 09, 1894 | C. Hall | Pipe-Wrench | screw adjust wrenches |
| 521,312 | Jun. 12, 1894 | C. Hall | Wrench For Pipes, Rods, etc. | pipe wrenches |
| 523,810 | Jul. 31, 1894 | C. Hall | Pipe Wrench | pipe wrenches |
| 527,200 | Oct. 09, 1894 | C. Hall | Clamps Adapted to Ornamental and Polished Pipes | pipe jaw attachments for wrenches |
| 533,295 | Jan. 29, 1895 | C. Hall | Pipe Wrench | wrench jaw components |
| 586,738 | Jul. 20, 1897 | C. Hall | Screw Wrench | screw adjust wrenches |
