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| Patents for Rose G. Perlmuter | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-218,048 | Apr. 25, 1922 | E.C. Guthard | TOOL HANDLE | wrench handle components | |
| 1,428,342 | Sep. 05, 1922 | J.D. Nies | Brush mounting | motor brush holders | |