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| Patents for Oliver Mfg. Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 737,655 | Sep. 01, 1903 | W.H. Oliver | Lifting-jack | |
| 784,589 | Mar. 14, 1905 | W.H. Oliver | Lifting-jack | ||
 | 879,305 | Feb. 18, 1908 | W.H. Oliver | Wrench or Nut Jack | |
 | 917,789 | Apr. 13, 1909 | W.H. Oliver | Lifting-jack | |