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| All Patents of Type: jacks | |||||
| Number | Date | Patentee | Title | Type | |
| 335,859 | Feb. 09, 1886 | H. Walther | Lifting Jack | jacks | |
| 3,268,208 | Aug. 23, 1966 | H.O. Feilbach, D.E. Stuart | Air jack with lubricating means | jacks | |