| All Patents in class 144/230 |
Patents 91 -
105
of 128
      |
| Number | Date | Patentee | Title | Type |
| 1,153,910 | Sep. 21, 1915 | E. Harrold | Rotary cutter-head | cutterheads |
| 1,245,726 | Nov. 06, 1917 | W.A. James | Milling Cutter | milling machine cutters |
| 1,250,869 | Dec. 18, 1917 | W.H. Vockell, R.T. Hazelton | Slotting Cutter | milling machine cutters |
| 1,300,163 | Apr. 08, 1919 | W.F. Groene | Means for attaching tools to spindles | milling machines |
| 1,432,792 | Oct. 24, 1922 | F. Schimmel | Cutter head for woodworking machines | cutterheads |
| 1,458,411 | Jun. 12, 1923 | J.E. Hirst | Woodworking machinery | jointers |
| 1,478,649 | Dec. 25, 1923 | O.R. Gustafson | Rotary cutter head | cutterheads |
| 1,547,087 | Jul. 21, 1925 | C.R. Vickers | Tool Holder | metalworking machine tool holders |
| 1,611,298 | Dec. 21, 1926 | C.G. Wilderson | Rotary cutter head | cutterheads |
| 1,626,247 | Apr. 26, 1927 | L.T. Medholdt | High-speed safety cutter head | cutterheads |
| 1,629,760 | May 24, 1927 | C. Wolf | Cutter head | cutterheads |
| 1,678,820 | Jul. 31, 1928 | L.T. Medholdt | Cutter head | cutterheads |
| 1,797,463 | Mar. 24, 1931 | C. Cederholm | Rotary woodworking cutter | cutterheads |
| 1,803,741 | May 05, 1931 | V.E. Martin, H.S. Walthers | Cutter head | cutterheads |
| 1,830,813 | Nov. 10, 1931 | H.E. Tautz | Cutter head | cutterheads |
