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| Patents for James W. Clark | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 113,629 | Apr. 11, 1871 | J.W. Clark | Improvement in picket-cutters | |
 | 156,474 | Nov. 03, 1874 | J.H. Weaver, J.P. Beck | Improvement in machines for smoothing and cornering panels | |
 | 268,395 | Dec. 05, 1882 | E.C. Flint | Barrel-hoop machine | |