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| Patents for Jacob Kienzle | |||||
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| Number | Date | Patentee | Title | Type | |
| 98,494 | Jan. 04, 1870 | J.C. Hintz | Improvement in bolt-work and doors for safes | safe and vault apparatus | |
| 115,231 | May 23, 1871 | J. Obernesser | Improvement in permutation-locks | locks | |