| Patents for Samuel J. Johnston |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 530,109 | Dec. 04, 1894 | S.J. Johnston | Carriage or Wagon Jack | axle nut wrench combination tools |
| 530,419 | Dec. 04, 1894 | S.J. Johnston | Combination tool | brace wrenches |
| 601,147 | Mar. 22, 1898 | S.J. Johnston | Wrench Jack | axle nut wrench combination tools |
| 601,302 | Mar. 29, 1898 | S.J. Johnston | Combination-tool | brace wrenches |
| 607,439 | Jul. 19, 1898 | S.J. Johnston | Wrench Jack | axle nut wrench combination tools |
| 674,735 | May 21, 1901 | S.J. Johnston | Combination tool (brace wrench) | brace wrenches |
