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| Patents for John Gourlay | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 13,943 | Dec. 18, 1855 | J. Gourlay | Adjustable crank-brace for augers | |
 | CA-2,681 | Aug. 29, 1873 | A. Cant, J. Gourlay | Improvement in rotary wood planing machines | |
 | 174,944 | Mar. 21, 1876 | A. Cant | Improvement in planing-machines | |