Patents for Charles Hall |
Patents 1 -
10
of 11
      |
Picture | Number | Date | Patentee | Title |
 | 61,420 | Jan. 22, 1867 | C. Hall | Tool Holder for Planing Machines |
 | 86,534 | Feb. 02, 1869 | C. Hall | Improvement in Screw-Wrench |
 | 223,094 | Dec. 30, 1879 | J.P. Barnard | Improvement in dogs for saw-mill head-blocks |
 | 317,642 | May 12, 1885 | J. Young, C. Hall | Bolt-machine |
 | 516,485 | Mar. 13, 1894 | C. Hall | Pipe Wrench |
 | CA-45,993 | May 09, 1894 | C. Hall | Pipe-Wrench |
 | 521,312 | Jun. 12, 1894 | C. Hall | Wrench For Pipes, Rods, etc. |
 | 523,810 | Jul. 31, 1894 | C. Hall | Pipe Wrench |
 | 527,200 | Oct. 09, 1894 | C. Hall | Clamps Adapted to Ornamental and Polished Pipes |
 | 533,295 | Jan. 29, 1895 | C. Hall | Pipe Wrench |