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| All Patents in class 418/129 | |||||
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| Number | Date | Patentee | Title | Type | |
| 494,461 | Mar. 28, 1893 | F.H. Cathcart | Power-Driven Tool | ||
| 798,485 | Aug. 29, 1905 | B.F. Augustine | Rotary Engine | rotary steam engines | |
| 816,285 | Mar. 27, 1906 | I. Abbott | Rotary Engine | rotary steam engines | |