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| Patents Granted on 1807-05-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 767X | May 20, 1807 | W. Young | Lasts for Boots and Shoes | cobbler | |
| 768X | May 20, 1807 | J. Smith, Jr. | Fire engine | fire engines | |
| 769X | May 20, 1807 | J. Green | Mechanical spring buckle | ||