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| All Patents in class 34/281 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 8,773X | Apr. 22, 1835 | O. Badger | Machine for dressing and cleaning feathers | ||
| 9,518X | Mar. 18, 1836 | E. Wilbur | Feather dressing | ||
| 9,787X | Jun. 28, 1836 | B.P. Coston | Feather dressing | ||
| 9,879X | Jul. 02, 1836 | F.P. Knowlton | Feather dresser | ||