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| All Patents in class 74/604 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 344,930 | Jul. 06, 1886 | D.A. Woodbury | Cranked Shaft | ||
| 617,978 | Jan. 17, 1899 | A. Winton | Explosive Engine | ||
| 636,606 | Nov. 07, 1899 | A. Winton | Explosive Engine | ||
| 642,761 | Feb. 06, 1900 | M.H. Smith | Reciprocating Engine | ||
 | 1,498,170 | Jun. 17, 1924 | F.A. Jimerson | Connecting-rod bearing | |
| 1,821,218 | Sep. 01, 1931 | F.G. Hobart | Pump and Method of Pump Construction and Operation | ||
| 3,404,574 | Oct. 08, 1968 | C.R. Stelljes | Vibration damping mechanism | ||