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All Patents in class 409/336 | |||||
Number | Date | Patentee | Title | Type | |
2,167,890 | Aug. 01, 1939 | P.S. Jackson | Hydraulic Machine Tool | hydraulic apparatus | |
2,940,368 | Jun. 14, 1960 | G.E. Marx, J.M. Walter | Machine Tool | metal planers | |
2,944,468 | Jul. 12, 1960 | M.W. Hazelton, R.E. Griesheimer, J.M. Allnutt | Shaper | metal shapers | |
6,942,438 | Sep. 13, 2005 | S.L. Deguise | Keyway Cutter Tool and Method | keyway cutting machines |