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| Patents for J. L. Coombs | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 294,724 | Mar. 04, 1884 | H.P. Cope | Metallic Router Plane | |
 | 435,311 | Aug. 26, 1890 | C.O. Lambert | Gage | |
 | 583,699 | Jun. 01, 1897 | J.C. Burgess | Pipe Wrench | |