| All Patents in class 474/33 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 2,151,189 | Mar. 21, 1939 | L. Coddington | Variable speed transmission mechanism | metal cutting bandsaws |
| 2,186,477 | Jan. 09, 1940 | L. Coddington | Oiling system | metal cutting bandsaws |
| 2,256,114 | Sep. 16, 1941 | D. Heyer | Variable speed drive with multiple belts | industrial machine pulleys and belt drive mechanisms |
| 2,475,955 | Jul. 12, 1949 | W.E. Gerbing | Variable pitch pulley | industrial machine pulleys and belt drive mechanisms |
| 2,502,976 | Apr. 04, 1950 | C. McLear | Variable speed pulley | metalworking machine mechanisms |
