| All Patents in class 474/113 |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 1,322,543 | Nov. 25, 1919 | E.W. Clark | Bench-drill | drill presses |
| 1,407,834 | Feb. 28, 1922 | C. Bouillon | Machine Tool Driving Mechanism | metalworking machine mechanisms |
| 1,577,317 | Mar. 16, 1926 | W. Jardh | Belt Tightener with Rapid Belt Tension Release | metalworking machine mechanisms |
| 1,670,139 | May 15, 1928 | F.B. Cockburn | Lathe | metal lathe mechanisms |
| 1,740,810 | Dec. 24, 1929 | D.P. Davies | Tractor | tractors |
| 2,027,111 | Jan. 07, 1936 | R.E. Manley | Motorized drive | industrial machine pulleys and belt drive mechanisms |
| 2,138,117 | Nov. 29, 1938 | M.W. O'Brien, estate of (deceased), J.J. O'Brien | Belt Tighener | engine lathes |
| 2,263,438 | Nov. 18, 1941 | G.L. Garvin | Belt Shifter | industrial machine pulleys and belt drive mechanisms |
| 2,716,350 | Aug. 30, 1955 | R.D. Phares | Slow speed converter motor drive | metalworking speed changing mechanisms |
| 2,740,238 | Apr. 03, 1956 | S.H. Sharpless | Sanding machine for bowling alleys | belt sanders |
