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| Patents for Andrew T. Serven | |||||
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| Picture | Number | Date | Patentee | Title | |
| 79,131 | Jun. 23, 1868 | A. Hathaway, J. Kendall | Grinding Plate Glass | ||
| 79,132 | Jun. 23, 1868 | A. Hathaway, J. Kendall | Polishing Glass | ||