| Patents for Sheffield H. Clarke |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 718,040 | Jan. 06, 1903 | W.S. Ward | Perfect Handle Chisel | chisels |
| 737,179 | Aug. 25, 1903 | W.S. Ward | Screw-driver | screwdriver handles |
| 745,544 | Dec. 01, 1903 | W.S. Ward | Mason's Trowel | stonemason |
| 746,285 | Dec. 08, 1903 | G.E. Trask, J.W. Carleton | Cutter Adjustment for Plane | plane cutter adjustments |
| 855,079 | May 28, 1907 | W.S. Ward | Forged Steel Hammer | ball pein hammers |
| 939,458 | Nov. 09, 1909 | W.S. Ward | Perfect Handle Hatchet | axes |
| 1,000,050 | Aug. 08, 1911 | W.S. Thomson | Die For Forging | making wrenches |
