| Patents for E. W. Johnson |
Patents 16 -
22
of 22
      |
| Number | Date | Patentee | Title | Type |
| 511,155 | Dec. 19, 1893 | C.B. Merritt | Pipe Wrench | self-adjust wrenches |
| 514,752 | Feb. 13, 1894 | E.A. Humphrey | Wrench | pipe and nut combination wrenches |
| 538,159 | Apr. 23, 1895 | J. Fish | Hack Saw Frame | hacksaws |
| 552,029 | Dec. 24, 1895 | N. Witsue | Monkey Wrench | nut wrenches |
| CA-53,661 | Oct. 03, 1896 | L.B. Stenberg, A.W. Freeman | Pipe-Wrench | pipe wrenches |
| 572,857 | Dec. 08, 1896 | L.H. Barnes | Wrench For Turning Nuts, Screw-Taps and the Like | ratchet wrenches |
| 577,158 | Feb. 16, 1897 | W.F. Davis | Electric Igniter for Explosive Engines | ignition systems |
