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| All Patents in class 417/167 | |||||
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| Number | Date | Patentee | Title | Type | |
| 367,138 | Jul. 26, 1887 | A.S. Eberman | Injector | water injectors | |
| 448,488 | Mar. 17, 1891 | W.R. Park | Injector | water injectors | |
| 1,342,128 | Jun. 01, 1920 | R.D. Metcalfe, J. Metcalfe | Injector | water injectors | |
| 1,583,090 | May 04, 1926 | R.M. Ostermann | Injector | water injectors | |
| 1,583,363 | May 04, 1926 | R.M. Ostermann | Injector | water injectors | |
| 2,389,656 | Nov. 27, 1945 | A. Williams, E. Henkel | Injector | water injectors | |