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| Patents for Margelis Dowel Press & Clamp Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,452,164 | Apr. 17, 1923 | A. Margelis | Furniture clamp | bar and pipe clamps | |
| 1,981,183 | Nov. 20, 1934 | A. Margelis | Dowel-making machine | wood compressing machines | |