| All Patents in class 409/233 |
Patents 1 -
15
of 37
      |
| Number | Date | Patentee | Title | Type |
| 341,437 | May 04, 1886 | V.H. Ernst | Milling Machine | milling machines |
| 1,961,129 | Jun. 05, 1934 | D.O. Lawless, M. De Haas | Milling Machine | milling machines |
| 2,115,058 | Apr. 26, 1938 | J.B. Armitage | Milling Machine | milling machines |
| 2,483,451 | Oct. 04, 1949 | J.B. Armitage | Machine Tool Spindle | milling machines |
| 2,667,819 | Feb. 02, 1954 | C.B. De Vlieg | Power lock for tools and the like | metalworking machine mechanisms |
| 2,667,820 | Feb. 02, 1954 | C.B. De Vlieg | Power tool lock | metalworking machine mechanisms |
| 2,909,965 | Oct. 27, 1959 | C.B. De Vlieg | Power tool lock | metalworking machine mechanisms |
| 2,924,152 | Feb. 09, 1960 | W.D. Zettler | Drawbolt for Machine Tools | metalworking machine mechanisms |
| 2,994,250 | Aug. 01, 1961 | A.H. Geyler, J.M. Walter | Power Draw Bar Mechanism | milling machines |
| 3,023,675 | Mar. 06, 1962 | H.N. Stephan | Horizontal boring, drilling and milling machine | milling machines |
| 3,038,386 | Jun. 12, 1962 | S.F. Kulpa, C.A. Parske | Power Operated Tool Draw-In Bar | milling machines |
| 3,138,997 | Jun. 30, 1964 | K.G. Bruckner | Mounting and Centering Devices for Milling Cutters | milling machines |
| 3,205,779 | Sep. 14, 1965 | R.O. Walker | Drawbolt for Machine Tool Spindles | milling machines |
| 3,220,313 | Nov. 30, 1965 | W. Schroeder | Machine Tool Power Drawbolt Mechanism | milling machines |
| 3,254,567 | Jun. 07, 1966 | J. Daugherty | Machine Tool Power Drawbolt | metalworking machine mechanisms |
