| Patents for J. Ralph Orwig |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 519,774 | May 15, 1894 | M.C. Randleman, Z.S. Randleman | Improved Adjustable Tongs, Wrench and Vise | combination tools |
| 634,548 | Oct. 10, 1899 | I.A. Weaver | Combined Lifting Jack and Wrench | axle nut wrenches |
| 658,770 | Oct. 02, 1900 | R. Fullerton | Lumber-stacking machine | woodworking machine material handling |
| 787,523 | Apr. 18, 1905 | G.M. Mason | Combined Pipe Wrench and Pliers | pliers |
| 912,372 | Feb. 16, 1909 | W.F. Gould | Balanced Slide Valve | steam engine valves |
| 992,349 | May 16, 1911 | W.F. Gould | Balanced Slide-Valve | steam engine valves |
