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| Patents for Allen Sheldon | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,273,248 | Jul. 23, 1918 | E. Lurker | Milling Cutter | milling machine cutters | |
| 1,273,249 | Jul. 23, 1918 | E. Lurker | Cutting Tool for Lathes, Planers, Shapers, and the Like | metal planers | |