All Patents in class 81/107 |
Patents 1 -
14
of 14
|
Number | Date | Patentee | Title | Type |
15,184 | Jun. 24, 1856 | G.A. Jenks | Wrench for Gas-Pipe, etc. | pipe wrenches |
56,166 | Jul. 10, 1866 | B. Boardman | Improved Tool | wrench combination tools |
57,621 | Aug. 28, 1866 | A. Call | Improved Pipe-Wrench | pipe wrenches |
133,804 | Dec. 10, 1872 | A. Secor | Pipe Wrench | pipe wrenches |
166,428 | Aug. 03, 1875 | H.C. Stouffer | Improvement in Pipe-Wrenches | screw adjust wrenches |
335,192 | Feb. 02, 1886 | W.A. Hathaway | Wrench | pipe wrenches |
335,193 | Feb. 02, 1886 | J.T. Hayden | Pipe Wrench | pipe wrenches |
473,542 | Apr. 26, 1892 | M.J. Wilson | Pipe Wrench | pipe wrenches |
483,336 | Sep. 27, 1892 | M.J. Wilson | Pipe and Nut Wrench | pipe and nut combination wrenches |
523,691 | Jul. 31, 1894 | D.P. Stanton | Pipe Wrench | pipe wrenches |
639,640 | Dec. 19, 1899 | M. Williams | Improvements in Pipe-Wrenches | pipe wrenches |
680,742 | Aug. 20, 1901 | D. Stewart | Spanner or Pipe Wrench | pipe wrenches |
822,407 | Jun. 05, 1906 | C.H. Thurston | Pipe Wrench | pipe wrenches |
947,081 | Jan. 18, 1910 | J.R. Morris | Pipe Wrench | screw adjust wrenches |