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| Patents for Heinz F. Bruns | |||||
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| Number | Date | Patentee | Title | Type | |
| 123,758 | Feb. 20, 1872 | A. Adams | Improvement in Corn Shellers | miller | |
| 132,128 | Oct. 15, 1872 | H.A. Adams | Improvement in Corn Shellers | miller | |