| All Patents in class 474/150 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 9,661X | May 17, 1836 | S.H. Freeman | Mill wheel | |
| 238,971 | Mar. 15, 1881 | L.H. Sanderson | Lathe | jewelers lathes |
| 287,209 | Oct. 23, 1883 | E.J. Worcester | Drilling-machine | woodworking post drills |
| 773,591 | Nov. 01, 1904 | C.D. Rice | Multiple-spindle drill-press | drill presses |
| 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 | |
| 2,951,474 | Sep. 06, 1960 | H.E. Wayland | Wire saws | stone cutting machines |
