Patents for Luke Chapman |
Patents 1 -
10
of 17
      |
Picture | Number | Date | Patentee | Title |
 | 82,085 | Sep. 15, 1868 | L. Chapman | Improvement in Wrenches |
 | 90,726 | Jun. 01, 1869 | L. Chapman | Improved machine for forming bits for axes |
 | 94,710 | Sep. 14, 1869 | L. Chapman | Wrench |
 | 99,059 | Jan. 25, 1870 | L. Chapman | Improved Milling-Machine |
 | 100,978 | Mar. 22, 1870 | L. Chapman | Wrench |
 | 121,083 | Nov. 21, 1871 | L. Chapman | Improvement in Wrenches |
 | 123,554 | Feb. 13, 1872 | L. Chapman | Improvment in the Manufacture of Wrench-Heads |
 | 135,406 | Feb. 04, 1873 | L. Chapman | Improvement in Dies for Making Wrench-Heads |
 | RE5,294 | Feb. 25, 1873 | L.E. Smith, L. Jordan | Wrenches |
 | 137,052 | Mar. 25, 1873 | L. Chapman | Improvement in Dies for Forming Wrench-Heads |