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| Patents for Irvin R. Danielson | |||||
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| Number | Title | Classification(s) | |||
| 3,783,970 | Sound Attenuating device for a work steel or the like | 173/211, 181/207 | |||
| 3,934,657 | Dual safety control means for a power tool | 173/169, 415/904, 418/270, 451/359 | |||
| 3,939,925 | Throttle valve construction for percussion tool | 173/170, 173/18, 251/120 | |||