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| Patents for Frederick Geyler | |||||
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| Number | Date | Patentee | Title | Type | |
| 88,030 | Mar. 23, 1869 | F. Geyler, B. Geyler | Bung Cutter | cooper | |
| 151,695 | Jun. 09, 1874 | F. Geyler, B. Geyler | Improvement in stave-cutting machines | barrel making machines | |