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| Patents for John L. Edwards Jr. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 504,003 | Aug. 29, 1893 | J.A. Traut | Marking-Gage | |
 | 511,377 | Dec. 26, 1893 | J.A. Traut | Spirit-Level | |
 | 517,208 | Mar. 27, 1894 | C.E. Billings | Caliper Gage | |