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| Patents Granted on 1938-06-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-374,524 | Jun. 21, 1938 | A.A. Breuer | Insecticide spraying apparatus | ||
| 2,121,069 | Jun. 21, 1938 | J.G. Collins | Circular saw | tablesaws | |