| All Patents in class 483/43 | 
| Patents 1 - 
					10
					of 10 
       | 
| Number | Date | Patentee | Title | Type | 
| 431,107 | Jul. 01, 1890 | J.T. Cowley | Apparatus for Drilling | drill press accessories | 
| 3,052,011 | Sep. 04, 1962 | H.J. Baechle, C.B. Sipek, R.K. Sedgwick, J.A. Hansen, W.E. Brainard | Machine Tool with a Mechanical Cutting Tool Changer | milling machines | 
| 3,760,491 | Sep. 25, 1973 | E.R. Lohneis, F. Zankl | Tool Change Mechanism | milling machines | 
| 4,126,233 | Nov. 21, 1978 | R.G. Jeske | Tool Transfer Mechanism for Machine Tools | tool changers and storage mechanisms | 
| 4,164,810 | Aug. 21, 1979 | C.B. Sipek, R.B. Clegg, R. Johnstone | Automatic Tool Changer for Machine Tools | tool changers and storage mechanisms | 
| 4,177,550 | Dec. 11, 1979 | R.B. Clegg, R. Johnstone, C.B. Sipek | Machine Tool With Hollow Structural Steel Members | metalworking machine mechanisms | 
| 4,238,034 | Dec. 09, 1980 | R.B. Clegg, R. Johnstone, C.B. Sipek | Automatic Tool Changer for Machine Tools | tool changers and storage mechanisms | 
| 4,558,506 | Dec. 17, 1985 | E.J. Kielma | Numerically Controlled Automatic Tool Changing Machining Center Having a Bar-type Spindle | tool changers and storage mechanisms | 
| 4,575,918 | Mar. 18, 1986 | C.E. Mattson | Tool Change Mechanism | tool changers and storage mechanisms | 
| 4,759,115 | Jul. 26, 1988 | E.J. Kielma | Numerically Controlled Automatic Tool Changing Machining Center Having a Bar-Type Spindle | numerically controlled milling machines |