| All Patents in class 409/202 | 
| Patents 1 - 
					12
					of 12 
       | 
| Number | Date | Patentee | Title | Type | 
| 704,134 | Jul. 08, 1902 | G.W. Smith, E.J. Lees | Multi-head milling machine | milling machines | 
| 1,838,816 | Dec. 29, 1931 | R.P. Stocking, E.L. Fickett | Milling Machine for Locomotive Driving Boxes | milling machines | 
| 1,965,259 | Jul. 03, 1934 | W.D. Archea, M. Romaine | Milling Machine | milling machines | 
| 2,434,751 | Jan. 20, 1948 | J.B. Armitage, T. Trecker | Machine Tool | milling machines | 
| 2,483,535 | Oct. 04, 1949 | K.F. Gallimore | Reciprocatory Drive for Machine Tools | metalworking power transmission | 
| 2,631,500 | Mar. 17, 1953 | J. Daugherty, W.B. Wigton | Machine Tool | horizontal boring mills | 
| 2,747,469 | May 29, 1956 | H. Fritschi, H. Ernst | Cutter Position Compensating Mechanism for Profiling Machines | profiling machines | 
| 2,862,421 | Dec. 02, 1958 | H.G. Merhaut | Spar Milling Machine | milling machines | 
| 2,892,388 | Jun. 30, 1959 | J. Daugherty | Multiple Line Feed for Translatable Machine Elements | metalworking machine mechanisms | 
| 2,917,977 | Dec. 22, 1959 | C.F. Erikson, F.R. Swanson | Machine tool |  | 
| 3,000,674 | Sep. 19, 1961 | R.L. Ford | Anti Friction Ways for Machine Tools | metalworking machine mechanisms | 
| 4,428,158 | Jan. 31, 1984 | J.J. Fatula, Sr. | Method and apparatus for grinding irregular surfaces | grinders |