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| Patents for Elmer L. Keith | |||||
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| Number | Date | Patentee | Title | Type | |
| 567,945 | Sep. 15, 1896 | E.L. Keith | Lock Jaw Wrench | quick adjust wrenches | |
| 587,974 | Aug. 10, 1897 | J.E. Colton, E.L. Keith | Lock Jaw Wrench | quick adjust wrenches | |