| Patents for Lidgerwood Mfg. Co. |
Patents 31 -
40
of 40
      |
| Number | Date | Patentee | Title | Type |
| 930,354 | Aug. 10, 1909 | H.N. Covell | Logging-locomotive | sawmill log handling |
| 933,825 | Sep. 14, 1909 | H.N. Covell | Road Engine | hoists, winches, come-alongs |
| 936,417 | Oct. 12, 1909 | G.N. Crawford | Wheel-chock | railroad track maintenance tools |
| 966,479 | Aug. 09, 1910 | F.C. Schoen | Hydraulic telemotor | |
| 967,331 | Aug. 16, 1910 | H.N. Covell | Winch | hoists, winches, come-alongs |
| 972,831 | Oct. 18, 1910 | W.A. Gilchrist, J.H. Dickinson | Logging system | sawmill log handling |
| 976,841 | Nov. 29, 1910 | J.V. Beekman | Friction-drum | hoists, winches, come-alongs |
| 994,876 | Jun. 13, 1911 | F.C. Schoen | Combined steam and hand steering engine | hoists, winches, come-alongs |
| 1,559,856 | Nov. 03, 1925 | M.H. Dickinson | Loading engine | tree felling machines |
| 1,567,717 | Dec. 29, 1925 | P. Dubosclard | Friction device | industrial machine clutches |
