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| Patents for Adams & Williamson | |||||
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| Number | Date | Patentee | Title | Type | |
| 452,330 | May 12, 1891 | J.R. Allgire, D.W. Williamson | Machine for making veneer barrels | barrel making machines | |
| 526,337 | Sep. 18, 1894 | M.D. Williamson | Quarter-log holder for veneer-cutting machines | veneer machines | |