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| All Patents in class 418/151 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 440,125 | Nov. 11, 1890 | A.D. Baker | Rotary Engine | ||
| 444,834 | Jan. 20, 1891 | J.W. Hayes | Rotary Engine | ||
| 449,148 | Mar. 31, 1891 | G.H. Weston | Rotary Engine | ||
| 453,613 | Jun. 09, 1891 | S.G. Brosius | Rotary Engine | ||
| 453,614 | Jun. 09, 1891 | S.G. Brosius | Rotary Engine | ||
| 460,522 | Sep. 29, 1891 | M.J. Bretherton | Rotary Engine | ||
 | 873,201 | Dec. 10, 1907 | B.F. Augustine | Rotary Engine | |
 | 1,006,896 | Oct. 24, 1911 | B.F. Augustine | Rotary Engine | |