| Patents for W. S. McDowell |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 988,142 | Mar. 28, 1911 | C.N. Pollock | Wrench | nut wrenches |
| 995,947 | Jun. 20, 1911 | J.A. Borland | Wrench | pipe wrenches |
| 1,074,936 | Oct. 07, 1913 | W.R. Evans | Pipe Wrench | pipe wrenches |
| 1,115,071 | Oct. 27, 1914 | N.B. Healy | Valve Dressing Tool | valve grinding tools |
| 1,248,174 | Nov. 27, 1917 | M.L. Schartzman, A.R. Simon | Yarn Measuring Device | measurement gauges |
| 1,252,274 | Jan. 01, 1918 | W.T. Lingo | Workholding Mechanism For Lathes | metal lathe accessories and attachments |
| 1,267,946 | May 28, 1918 | E. Wester | Micrometer | micrometers |
| 1,321,776 | Nov. 11, 1919 | S. Stepanian | Wrench | wrenches |
| 1,336,794 | Apr. 13, 1920 | S. Stepanian | Grease Cup Wrench | wrenches |
