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