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| Patents for Charles F. Gerlach | |||||
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| Number | Date | Patentee | Title | Type | |
| 372,904 | Nov. 08, 1887 | C.F. Gerlach | Circular sawing machine | circular ripsaws | |
| 565,090 | Aug. 04, 1896 | H.H. Rockwell, C.F. Gerlach, E. Gebel | Cut-off and pointing machine | stick pointing machines | |