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| Patents for Joseph H. Hoern | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,872,853 | Feb. 10, 1959 | J.H. Hoern | Milling and boring machine | milling machines | |
| 2,912,892 | Nov. 17, 1959 | J.H. Hoern | Continuous Boring and Turning Machines | vertical boring mills | |
| 3,104,433 | Sep. 24, 1963 | J.H. Hoern | Die Casting and Pressure Molding Machines | die casting machines | |
| 3,184,810 | May 25, 1965 | J.H. Hoern | Die casting and pressure molding machines | foundryman | |