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| Patents for Lewis H. Watson | |||||
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| Number | Title | Classification(s) | |||
| 113,954 | Barrel Filler | 141/224 | |||
| 161,581 | Forge-Blower | 415/124 | |||
| 183,088 | Portable Forge | 110/195 | |||
| 211,309 | Automatic-Governor and Cut-Off | 73/494 | |||