| All Patents in class 409/144 |
Patents 1 -
15
of 33
      |
| Number | Date | Patentee | Title | Type |
| 217,470 | Jul. 15, 1879 | W. Main | Milling Attachment for Lathes | metal lathe accessories and attachments |
| 293,892 | Feb. 19, 1884 | W.O. Lincoln | Convertible milling and slotting machine | milling machines |
| 461,202 | Oct. 13, 1891 | A.D. Pentz | Boring-engine | milling machines |
| 548,175 | Oct. 22, 1895 | J. Browning | Machine Tool | metal lathe accessories and attachments |
| 596,491 | Jan. 04, 1898 | F.O. Farwell | Milling Machine | metal planer accessories |
| 642,712 | Feb. 06, 1900 | J. Parker | High Speed Attachment for Milling Machines | milling machine accessories |
| 908,664 | Jan. 05, 1909 | F. Hardinge | Lathe structure | |
| 943,845 | Dec. 21, 1909 | F.E. Cable, G.G. Porter | Universal milling attachment | milling machines |
| 968,047 | Aug. 23, 1910 | C.L. Grohmann | Attachment for Milling Machines | milling machine accessories |
| 995,683 | Jun. 20, 1911 | T. Trecker, E.J. Kearney | Attachment for milling-machines | milling machine accessories |
| 1,285,667 | Nov. 26, 1918 | C.G. Fredman | Milling Machine | milling machines |
| 1,720,712 | Jul. 16, 1929 | J.B. Armitage | Machine Tool Attachment | milling machine accessories |
| 1,729,286 | Sep. 24, 1929 | J.B. Elfring | Adjustable Spacing Collar for Milling Cutters | milling machines |
| 1,791,758 | Feb. 10, 1931 | L.J. Radermacher, J. Goetz | Milling Machine | milling machines |
| 1,933,575 | Nov. 07, 1933 | R.M. Woytych | Milling head attachment | milling machines |
