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| Patents for Gustav A. Naumann | |||||
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| Number | Date | Patentee | Title | Type | |
| 174,838 | Mar. 14, 1876 | G.A. Naumann | Improvement in joiners clamps | clamps | |
| 178,022 | May 30, 1876 | G.A. Naumann | Improvement in Joiners Clamps | hand screws | |
| 179,942 | Jul. 18, 1876 | G.A. Naumann | Improvement in Joiners Clamps | hand screws | |