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| Patents for Laurence Wenchel | |||||
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| Number | Date | Patentee | Title | Type | |
| 217,183 | Jul. 01, 1879 | L. Wenchel | Improvement in molding-machines | molders | |
| 222,970 | Dec. 23, 1879 | L. Wenchel | Improvement in wood-molding machines | molders | |
| 234,635 | Nov. 16, 1880 | L. Wenchel | Apparatus for Turning Cutters for Molding Machines | metal lathe accessories and attachments | |
| 260,264 | Jun. 27, 1882 | L. Wenchel | Templet for molding and paneling machines | molders | |
| 260,265 | Jun. 27, 1882 | L. Wenchel | Wood-molding machine | molders | |