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| Patents for Clarence L. Burger | |||||
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| Number | Date | Patentee | Title | Type | |
| 383,589 | May 29, 1888 | W.H. Parry | Groove-cutting tool | cutters | |
| 470,490 | Mar. 08, 1892 | E. Jones | Draftsman's Micrometer Scale | draftsman | |