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