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| Patents for Anne R. Schümann | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,368,888 | Feb. 06, 1945 | R. Schümann | Small Electric Machine Tool | handheld grinders | |
| 2,377,271 | May 29, 1945 | R. Schümann | Flexible Shaft And Air-Cooled Hand Piece | handheld power tool accessories | |