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Patents for John S. Oram | |||||
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Number | Title | Classification(s) | |||
301,387 | Fire Escape | 182/44, 188/186, 248/75 | |||
637,016 | Antifriction Bearing | 147/14 | |||
846,601 | Barrel Leveling Machine | 147/1 | |||
846,602 | Barrel Leveling Machine | 144/129, 147/1 | |||
915,106 | Barrel Leveling Machine | 147/1 |