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| All Patents of Type: preserving wood | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,439X | Oct. 08, 1834 | F. Shepherd | Preserving wood from decay | preserving wood | |
| 142,347 | Sep. 02, 1873 | J. Oliver | Preserving and Drying Lumber | preserving wood | |