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| All Patents in class 418/183 | |||||
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| Number | Date | Patentee | Title | Type | |
| 165,805 | Jul. 20, 1875 | T.S. Disston | Rotary Blower | tool making machines | |
| 655,175 | Jul. 31, 1900 | C.E. Linton | Rotary Engine | rotary steam engines | |