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| Patents for Spring Leaf Lubricator Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,108,111 | Aug. 18, 1914 | C.F. Adamson | Spreader For the Leaves of Springs | |
 | 1,142,280 | Jun. 08, 1915 | F. Knowlson, J.H. Stevenson | Leaf Separator for Springs | |