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| Patents for Lulu G. Greenfield | |||||
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| Number | Date | Patentee | Title | Type | |
| 865,553 | Sep. 10, 1907 | G.C. Winslow | Pipe Wrench | pipe wrenches | |
| 922,117 | May 18, 1909 | W.T. Favorite | Can Opener | combination cork extractors | |