| Patents for Kearney & Trecker Corp. | 
| Patents 556 - 
					560
					of 560 
       | 
| Number | Date | Patentee | Title | Type | 
| 4,845,834 | Jul. 11, 1989 | R.C. Watson | Tool Clamping Mechanism | metalworking machine mechanisms | 
| 4,988,244 | Jan. 29, 1991 | E.E. Kirkham, P.C. Sheldon | Six Axis Machine Tool | milling machines | 
| 5,066,176 | Nov. 19, 1991 | R. Johnstone | Probe for Machine Tool | metalworking machine mechanisms | 
| 5,283,934 | Feb. 08, 1994 | D.R. Koplin, J.J. Zimpel | Automated Part Storage and Machining System | workpiece changers and storage mechanisms | 
| 5,354,158 | Oct. 11, 1994 | L.D. Ostby, E.E. Kirkham, P.C. Sheldon, B.P. Konkel | Six Axis Machine Tool | milling machines |