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| Patents for Lyman Gray | |||||
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| Number | Date | Patentee | Title | Type | |
| 39,644 | Aug. 25, 1863 | L. Gray | Manufacture of Bungs | bung making machines | |
| 51,451 | Dec. 12, 1865 | L. Gray | Improvement in Bung-Hole Reamers | tapered reamers | |