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| Patents for G. W. Schramm | |||||
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| Number | Date | Patentee | Title | Type | |
| 36,829 | Nov. 04, 1862 | G.W. Schramm, R. Boeklen | Improvement in Hammers | hammers | |
| 52,453 | Feb. 06, 1866 | G.W. Schramm | Flexible Ruler | rules | |