| All Patents in class 483/68 | 
| Patents 1 - 
					15
					of 20 
       | 
| Number | Date | Patentee | Title | Type | 
| 3,073,024 | Jan. 15, 1963 | K.A. Riedel, M.L. Hutchens | Metal Working Machine | milling machines | 
| 3,286,344 | Nov. 22, 1966 | E.F. Drechsler, W.E. Brainard | Machine Tool with Tool Changer | milling machines | 
| 3,465,890 | Sep. 09, 1969 | P.R. Foley, Jr., T.A. Wakefield | Tool Storage and Handling Mechanism | metalworking machine mechanisms | 
| 3,571,912 | Mar. 23, 1971 | E.J. Kielma | Multi-tool Tool Changer | tool changers and storage mechanisms | 
| 3,591,920 | Jul. 13, 1971 | E.F. Drechsler, W.E. Brainard | Tool Change Mechanism with Magazine Positioning Means | tool changers and storage mechanisms | 
| 3,619,898 | Nov. 16, 1971 | H. Horlacher, C.B. Perry | Machine Tool | tool changers and storage mechanisms | 
| 3,688,387 | Sep. 05, 1972 | W.D. Zettler | Shuttle Type Automatic Tool Changer | tool changers and storage mechanisms | 
| 3,709,377 | Jan. 09, 1973 | C.S. Doll, W.V. Sturm | Tool changer |  | 
| 3,760,491 | Sep. 25, 1973 | E.R. Lohneis, F. Zankl | Tool Change Mechanism | milling machines | 
| 3,811,179 | May 21, 1974 | W.T. Anderson | Tool Changer | milling machines | 
| 3,932,924 | Jan. 20, 1976 | W.T. Anderson | Method of Changing Tools | milling machines | 
| 3,953,918 | May 04, 1976 | O.R. Johansson, K.F. Bone | Machine Tool With Automatic Tool Changer | tool changers and storage mechanisms | 
| 3,987,909 | Oct. 26, 1976 | T.W. Piotrowski | Tool Storage Mechanism | tool changers and storage mechanisms | 
| 3,990,585 | Nov. 09, 1976 | O.R. Johansson | Article Exchange Mechanism | tool changers and storage mechanisms | 
| 4,122,597 | Oct. 31, 1978 | R.E. Prescott, N.V. Gusching | Tool utilization mechanism |  |