| All Patents in class 474/146 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,433,815 | Oct. 31, 1922 | O.R. Gustafson | Belt guard | circular crosscut saws |
| 2,202,878 | Jun. 04, 1940 | H.E. Tautz | Drill press guard | drill presses |
| 2,210,135 | Aug. 06, 1940 | P.E. Butzin, H.E. Tautz | Shaper guard | wood shapers |
| 2,474,104 | Jun. 21, 1949 | H.C. Kemper, W.F. Groene | Drive Mechanism for Automatic Lathes | metalworking machine mechanisms |
| 2,528,686 | Nov. 07, 1950 | S.S. Brown | Motor drive unit | gear motors |
| 2,613,544 | Oct. 14, 1952 | O. Cullman | Mounting for transmission gearing and guard | |
| 2,947,197 | Aug. 02, 1960 | D.E. Bell, D.D. Pettigrew | Guards for machine tools | drill presses |
