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| Patents for Christian Loetscher | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 145,354 | Dec. 09, 1873 | C. Loetscher | Improvement in mitering-machines | |
 | 495,350 | Apr. 11, 1893 | C. Loetscher | Chain mortiser | |
| 545,298 | Aug. 27, 1895 | C. Loetscher | Doweling-machine | ||
 | 559,781 | May 05, 1896 | C. Loetscher | Endless-chain-cutter mortising-machine | |