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| Patents for John C. Ryan | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-467,123 | Aug. 08, 1950 | J.C. Ryan | Methods and machines for planing and jointing, and articles | jointers | |
| 2,612,192 | Sep. 30, 1952 | J.C. Ryan | Machine for planing and jointing | jointers | |