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| Patents for William Augustus Archibald | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,129X | May 29, 1828 | W.A. Archibald | Bain-marie for refining sugar, etc. | manufacturing sugar | |
| 5,130X | May 29, 1828 | W.A. Archibald | Filtering apparatus for refining sugar | sugar refining apparatus | |
| 5,131X | May 29, 1828 | W.A. Archibald | Double boiler for refining sugar, etc. | sugar refining apparatus | |