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| Patents Granted on 1960-04-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-596,148 | Apr. 12, 1960 | J.M. Davis, G.H. Hochmuth | Method of forming spiral blades | milling machine cutters | |
| 2,932,080 | Apr. 12, 1960 | J.R. Rounik, A.O. Schmidt | Inserted Tooth Cutter | milling machine cutters | |
| 2,932,196 | Apr. 12, 1960 | J.J. Sledz | Internal Recessing Tool and Holder Therefor | drilling and boring tool holders | |
| 2,932,524 | Apr. 12, 1960 | R.B. Pealer | Automatic Chuck | pipe threading machines | |