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| Patents for H. E. Swain | |||||
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| Number | Date | Patentee | Title | Type | |
| 245,301 | Aug. 09, 1881 | F. Mann | Cork-extractor | non worm cork extractors | |
| 251,349 | Dec. 27, 1881 | F. Chichester | Dovetail tonguing and grooving machine | dovetailing machines | |