| Patents for Willard E. Gerbing |
Patents 1 -
4
of 4
      |
| Number | Date | Patentee | Title | Type |
| 2,305,128 | Dec. 15, 1942 | L.J. Andresen, W.E. Gerbing | Variable speed feed mechanism | industrial machine pulleys and belt drive mechanisms |
| 2,475,954 | Jul. 12, 1949 | W.E. Gerbing | Variable speed pulley | 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 |
| 2,714,313 | Aug. 02, 1955 | W.E. Gerbing | Variable pitch pulley | industrial machine pulleys and belt drive mechanisms |
