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Patents for George A. Lippincott | |||||
Number | Date | Patentee | Title | Type | |
995,540 | Jun. 20, 1911 | W.S. Kelley | Sandpapering-machine | sanding machines | |
1,012,651 | Dec. 26, 1911 | W.S. Kelley | Sandpapering-machine | sanding machines |