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| Patents for John R. Wittig | |||||
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| Number | Date | Patentee | Title | Type | |
| 136,797 | Mar. 11, 1873 | J.B. Weeden | Wrenches | nut wrenches | |
| RE6,498 | Jun. 22, 1875 | L. Bailey | Improvement in Bench-Planes | plane throat adjustments | |
| 285,684 | Sep. 25, 1883 | E. Sauter | Caliper Gage | measurement gauges | |