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| Patents Granted on 1804-06-__ | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-180,402,772 | Jun. 07, 1804 | A. Woolf | Parallel compound steam engine | steam engines | |
| 560X | Jun. 08, 1804 | M. French, M. Allison | Nail Machine | nail making machines | |
| 561X | Jun. 08, 1804 | A. Spencer | Improvement in making thimbles | ||
| 562X | Jun. 30, 1804 | W. Tunstall | Machines for Clearing Grain From Straw | fanning mills | |