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| Patents for Edw. S. Duvall Jr. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 486,758 | Nov. 22, 1892 | W.E. Brooke | Wrench | |
 | 486,759 | Nov. 22, 1892 | W.E. Brooke | Combined Wrench and Screw Driver | |
 | 489,875 | Jan. 10, 1893 | C.C. Reynolds | Combination Tool | |
 | 491,870 | Feb. 14, 1893 | W.E. Brooke | Wrench | |
 | 504,518 | Sep. 05, 1893 | W.E. Brooke | Method Of Making Wrench Handles | |