| All Patents in class 409/233 |
Patents 1 -
10
of 37
      |
| Picture | Number | Date | Patentee | Title |
| | 341,437 | May 04, 1886 | V.H. Ernst | Milling Machine |
| | 1,961,129 | Jun. 05, 1934 | D.O. Lawless, M. De Haas | Milling Machine |
| | 2,115,058 | Apr. 26, 1938 | J.B. Armitage | Milling Machine |
| | 2,483,451 | Oct. 04, 1949 | J.B. Armitage | Machine Tool Spindle |
 | 2,667,819 | Feb. 02, 1954 | C.B. De Vlieg | Power lock for tools and the like |
 | 2,667,820 | Feb. 02, 1954 | C.B. De Vlieg | Power tool lock |
 | 2,909,965 | Oct. 27, 1959 | C.B. De Vlieg | Power tool lock |
| | 2,924,152 | Feb. 09, 1960 | W.D. Zettler | Drawbolt for Machine Tools |
 | 2,994,250 | Aug. 01, 1961 | A.H. Geyler, J.M. Walter | Power Draw Bar Mechanism |
 | 3,023,675 | Mar. 06, 1962 | H.N. Stephan | Horizontal boring, drilling and milling machine |
