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| Patents for Charles H. Brookbank | |||||
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| Number | Date | Patentee | Title | Type | |
| 70,950 | Nov. 19, 1867 | C.H. Brookbank | Improvement in head-blocks for sawmills | sawmill headblocks | |
| 263,171 | Aug. 22, 1882 | J.G. Groff | Saw-guard | woodworking machine safety guards | |
| 277,711 | May 15, 1883 | J.G. Groff | Saw-guard | woodworking machine safety guards | |
| 284,199 | Sep. 04, 1883 | J.G. Groff | Saw-guard | woodworking machine safety guards | |