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| Patents Granted on 1979-05-08 | |||||
| Number | Date | Patentee | Title | Type | |
| 4,153,239 | May 08, 1979 | L. La Rocco | Adaptor for machine tool fixture | metalworking machine work holding | |
| 4,153,941 | May 08, 1979 | R.W. Caddell | Timing Circuit and Method for Controlling the Operation of Cyclical Devices | machine tool controls | |