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| All Patents in class 91/211 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 6,939X | Feb. 20, 1832 | S. Costill | Steam and power engine | ||
 | 12,216 | Jan. 09, 1855 | J.A. Reed | Oscillating Steam Engine | |
| 26,664 | Jan. 03, 1860 | S. Wadsworth, M. Cridge | Oscillating Steam Engine | ||
 | 121,457 | Dec. 05, 1871 | A. Goulding | Improvement in oscillating engines | |
| 230,515 | Jul. 27, 1880 | A.B. Wood | Oscillating Engine | ||
| 640,039 | Dec. 26, 1899 | A.J. Johnson, C.T. Smith | Pneumatic Drill. | ||