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| Patents for George E. Hallenbeck | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,256,790 | Feb. 19, 1918 | G.E. Hallenbeck | Drilling Machine | ||
| 1,825,060 | Sep. 29, 1931 | G.E. Hallenbeck | Revolving Holder Machine Tool | drilling and boring tool holders | |