All Patents of Type: ratchet braces |
Patents 1 -
15
of 61
|
Number | Date | Patentee | Title | Type |
20,728 | Jun. 29, 1858 | H.H. Packer | Hand-drill | ratchet braces |
37,971 | Mar. 24, 1863 | L.H. Olmsted | Ratchet brace | ratchet braces |
47,446 | Apr. 25, 1865 | L.H. Olmsted | Improved ratchet-brace | ratchet braces |
RE2,140 | Jan. 02, 1866 | H.H. Packer | Improvement in drills | ratchet braces |
57,466 | Aug. 28, 1866 | G.W. Bishop | Improvement in ratchet-drills | ratchet braces |
69,399 | Oct. 01, 1867 | W. Brown | Improvement in Ratchet-Braces | ratchet braces |
79,115 | Jun. 23, 1868 | M. Haingue | Drill-stock (engineer's) | hand drills |
89,461 | Apr. 27, 1869 | G.W. Bishop | Improvement in Pawl-Wrenches and Braces | ratchet wrenches |
110,960 | Jan. 17, 1871 | W.P. Dolan | Bit-brace | ratchet braces |
113,680 | Apr. 11, 1871 | J.T. Lynam | Improvement in bit-braces | ratchet braces |
138,973 | May 13, 1873 | H.B. Williams | Improvement in stocks for drill or other bits | ratchet wrenches |
167,897 | Sep. 21, 1875 | H.C. Hart | Improvement in ratchet-braces for metal drills | ratchet braces |
169,262 | Oct. 26, 1875 | G. Hayden | Improvement in ratchet-drills | ratchet braces |
173,145 | Feb. 08, 1876 | H.R. Way | Improvement in Ratchet-Drills | ratchet braces |
175,151 | Mar. 21, 1876 | F.P. Pfleghar | Ratchet bit-brace | ratchet braces |