| All Patents in class 409/215 |
Patents 16 -
30
of 31
      |
| Number | Date | Patentee | Title | Type |
| 1,012,430 | Dec. 19, 1911 | G.G. Porter, F.E. Cable | High-speed attachment for milling-machines | milling machine accessories |
| 1,181,113 | May 02, 1916 | C.M. Conradson | Metal Working Machine | milling machines |
| 1,229,352 | Jun. 12, 1917 | C.E. Van Norman | Milling-machine | milling machines |
| 1,269,727 | Jun. 18, 1918 | A.E. Metz | Milling Machine | milling machines |
| 1,499,084 | Jun. 24, 1924 | G.D. Sundstrand | Vertical milling attachment | |
| 1,633,370 | Jun. 21, 1927 | S. Hunter | Door-lock-mortising machine | mortising machines |
| 1,720,712 | Jul. 16, 1929 | J.B. Armitage | Machine Tool Attachment | milling machine accessories |
| 1,933,575 | Nov. 07, 1933 | R.M. Woytych | Milling head attachment | milling machines |
| 1,976,107 | Oct. 09, 1934 | W.D. Arches | Milling Machine | milling machines |
| 1,978,360 | Oct. 23, 1934 | W.D. Archea | Milling Machine | milling machines |
| 1,989,007 | Jan. 22, 1935 | G. Gorton | Machine Tool | milling machines |
| 2,289,912 | Jul. 14, 1942 | G.B. Hirsch | Milling Machine | milling machines |
| 2,342,829 | Feb. 29, 1944 | J.B. Armitage | Milling Machine | milling machines |
| 2,620,710 | Dec. 09, 1952 | G.H. Schurger, K.F. Gallimore | Machine Tool | horizontal boring mills |
| 3,037,429 | Jun. 05, 1962 | G.H. Schurger | Right Angle Milling Attachment | horizontal boring mill attachments |
