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| Patents for William Richardson | |||||
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| Number | Title | Classification(s) | |||
| 2,616X | Distillation | ||||
| 2,677X | Making cider and vinegar from the offals of a distillery | ||||
| 6,281 | Safety pin | 12/147R, 24/103, 24/710.2, 36/19R | |||
| 25,793 | Pen and Pencil Holder | 401/20 | |||
| 990,502 | Metal Butt Gage | 33/197, 33/42 | |||