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| Patents for J. P. Collins | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 234,062 | Nov. 02, 1880 | D.R. Proctor | Plow for cutting lumber | |
 | 1,221,297 | Apr. 03, 1917 | J.A. Dunagan | Combination Clapboard Gage, Square, and Level | |