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| Patents for F. W. Gustav Boettcher | |||||
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| Number | Date | Patentee | Title | Type | |
| 229,800 | Jul. 13, 1880 | F.W. Boettcher | Combined lathe and planer | wood lathes | |
| 304,601 | Sep. 02, 1884 | F.W. Boettcher | Combined Square, Level and Triangle | bevel squares | |