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| Patents for A. S. Walbridge | |||||
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| Number | Date | Patentee | Title | Type | |
| 16,034 | Nov. 04, 1856 | A.S. Walbridge | Self-acting head and tail block for sawing-mills | sawmill headblocks | |
| 33,274 | Sep. 10, 1861 | A.S. Walbridge | Improvement in cut-off apparatus for steam-engines | ||