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| Patents for John G. Schrott | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,134,826 | Apr. 06, 1915 | O.A. Eckre | Combination Clapboard Gage, Square, and Level | clapboard markers | |
| 1,258,575 | Mar. 05, 1918 | T.N. Jordan, Jr. | Adjustable Tension Saw Gage | saw gauges | |