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| Patents for Lewis D. Roberts | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,461,162 | Jul. 10, 1923 | L.D. Roberts | Can opener | combination cork extractors | |
| 2,091,524 | Aug. 31, 1937 | L.D. Roberts | Can Opener | can and jar openers | |