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| Patents for John Alonzo St. Clair | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,187,936 | Jun. 20, 1916 | J.A. St. Clair | Saw Gage | |
 | 1,250,694 | Dec. 18, 1917 | J.A. St. Clair | Saw-Gage | |
 | 2,269,556 | Jan. 13, 1942 | J.A. St. Clair | Method for grinding saws | |