| All Patents in class 409/201 |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
 | 58,076 | Sep. 18, 1866 | J.K. Dirner | Sloting Key Seats |
| | 144,745 | Nov. 18, 1873 | H. Cottrell | Carving Machine |
| | 1,313,365 | Aug. 19, 1919 | W.E. McLaughlin, G.W. Dixon, J.H. Wilson | Metal Working Machine |
| | RE20,893 | Oct. 25, 1938 | H.W. Bartholomew | Milling Machine |
 | 2,286,821 | Jun. 16, 1942 | L.D. Libby | Machine for Cutting Dies and the Like |
 | 2,379,405 | Jul. 03, 1945 | J.B. Armitage | Milling Machine |
| | 2,434,751 | Jan. 20, 1948 | J.B. Armitage, T. Trecker | Machine Tool |
 | 2,445,039 | Jul. 13, 1948 | J. Rusnok | Tool mounting bracket |
| | 2,499,842 | Mar. 07, 1950 | J.B. Armitage | Milling Machine |
 | 2,675,744 | Apr. 20, 1954 | J.N. Petre | Machine for Forming Screw Driver Bits of the Fluted Type |
