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| Patents for Rudolph L. Levin | |||||
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| Picture | Number | Date | Patentee | Title | |
| 511,053 | Dec. 19, 1893 | R.L. Levin | Wrist Pin Turner | ||
 | 631,801 | Aug. 29, 1899 | C. Bongfeldt, R.L. Levin | Wrench. | |
 | 634,175 | Oct. 03, 1899 | R.L. Levin | Wrench | |