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| Patents for Harold W. Kippers | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-667,853 | Jul. 30, 1963 | H.W. Kippers, R.K. Sedgwick | Machine tool for removing a mass of material from a container | milling machines | |
| 3,104,989 | Sep. 24, 1963 | H.W. Kippers, R.K. Sedgwick | Machine Tool for Removing a Mass of Material from a Container and Method | milling machines | |