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| Patents Granted on 1974-08-06 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,827,290 | Aug. 06, 1974 | A. Carlson | Stream table study center | ||
| 3,827,324 | Aug. 06, 1974 | F.E. Allen | Crowder roll arm for bandmill | band sawmills | |
| 3,827,820 | Aug. 06, 1974 | J.T. Hoffman | Drill Bit Index | drill accessories | |