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| Patents for Orril R. Chaplin | |||||
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| Number | Title | Classification(s) | |||
| 54,503 | Improvement in Combined Square and Bevel | 33/473 | |||
| 126,519 | Benchplane with Perforated Sole | 30/478, 30/489 | |||
| RE9,183 | Combined Square and Bevel | 33/473 | |||