| All Patents in class 409/313 |
Patents 16 -
21
of 21
      |
| Number | Date | Patentee | Title | Type |
| 1,766,168 | Jun. 24, 1930 | C.J. Davis | Shaper | metal shapers |
| 2,022,730 | Dec. 03, 1935 | H.E. Morton | Work Supporting Attachment | metal shaper accessories |
| 2,105,237 | Jan. 11, 1938 | W.H. Welch | Metal Cutting Machine | metal shapers |
| 2,454,490 | Nov. 23, 1948 | V.G. Evans, J.R. Tackett | Machine Tool Shaper Attachment | milling machine accessories |
| 3,143,923 | Aug. 11, 1964 | E. Krzyszczuk | Turbine Blade Cutting Tool Attachment | milling machine accessories |
| 3,753,385 | Aug. 21, 1973 | V. Zarlengo | Mounting Adapter for Cutting Tools | lathe tool holders and tool posts |
