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| All Patents in class 451/75 | |||||
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| Number | Date | Patentee | Title | Type | |
| 230,407 | Jul. 27, 1880 | S.K. Devereux | Method of producing designs on wood | wood compressing machines | |
| 1,688,320 | Oct. 23, 1928 | A.J. Bassett | Mixing Device for Oil Gas Apparatus | oil gas apparatus | |