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| All Patents in class 403/152 | |||||
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| Number | Title | Classification(s) | |||
| 130,671 | Improvement in Bedstead-Keys | 403/152, 81/121.1 | |||
| 334,418 | Pitman Eye and Connection | 403/152, 74/579R | |||
| 2,000,838 | Swingable Support for Engraving Machine Cutter Heads | 403/152 | |||