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| Patents for W. C. Clark | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 143,737 | Oct. 14, 1873 | H.L. Weagant | Handplane for Making Window Shade Slats | |
 | 625,149 | May 16, 1899 | F.A. Crocker | Ratchet Wrench | |