| All Patents in class 144/221 |
Patents 16 -
21
of 21
      |
| Number | Date | Patentee | Title | Type |
| 650,924 | Jun. 05, 1900 | J.W. Boynton | Inserted Tooth Milling Cutter | milling machine cutters |
| 1,021,202 | Mar. 26, 1912 | C.D. Marsh | Cutter-head | cutterheads |
| 1,278,629 | Sep. 10, 1918 | H. Francis | Milling and the Like Cutter | milling machine cutters |
| 1,701,912 | Feb. 12, 1929 | R.E. De Walt | Woodworking machinery | jointers |
| 2,129,417 | Sep. 06, 1938 | C.G. Gase | End mill | milling machine cutters |
| 4,074,737 | Feb. 21, 1978 | J.S. Stewart | Wood planer cutterhead design for reduced noise level | cutterheads |
