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| Patents for James W. Brock | |||||
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| Picture | Number | Date | Patentee | Title | |
 | RE5,048 | Sep. 03, 1872 | D. Lane | Improvement in head-blocks for sawmills | |
 | 136,656 | Mar. 11, 1873 | D. Lane | Improvement in head-blocks for saw-mills | |
 | 136,657 | Mar. 11, 1873 | D. Lane | Improvement in head-blocks for saw-mills | |
 | 237,294 | Feb. 01, 1881 | D. Lane | Shingle-sawing machine | |