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| Patents for John B. St. Louis | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 376,169 | Jan. 10, 1888 | J.B. St. Louis | Steam-feed for saw-mill carriages | |
| 387,604 | Aug. 07, 1888 | J.B. St. Louis | Automatic gang trimmer | ||