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| Patents for Wm. E. Lyon | |||||
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| Number | Date | Patentee | Title | Type | |
| 52,579 | Feb. 13, 1866 | R. Ledig | Improvement in Spirit-Levels | inclinometers | |
| 55,498 | Jun. 12, 1866 | R. Jennings | Improvement in Dies for Swaging the Ends of Auger Blanks | tool making machines | |
| 56,869 | Jul. 31, 1866 | R. Jennings | Improvements in Machinery for Swaging the Heads of Screw Augers | tool making machines | |