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Patents for Walter Baker | |||||
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Number | Title | Classification(s) | |||
142,886 | Improvement in pruning-shears | 30/239, 30/262 | |||
270,916 | Device for Truing Axles | 470/75, 82/128 | |||
343,621 | Polishing Wheel | 15/230.12, 152/306 |