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| Patents Granted on 1947-03-11 | |||||
| Number | Date | Patentee | Title | Type | |
| CA-440,074 | Mar. 11, 1947 | J. Guenther | Hacksaw frame | hacksaws | |
| 2,417,150 | Mar. 11, 1947 | E.A. Berry | Sine Bar | angle bars and angle plates | |
| 2,417,217 | Mar. 11, 1947 | H. Schreck | Fluid Flow Control Device | hydraulic machinery | |
| 2,417,366 | Mar. 11, 1947 | M.L. Valentino, H.O. Kylin, O. Kylin | Power Indexing Mechanism | metalworking machine mechanisms | |