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| Patents for Powermatic-Houdaille, Inc. | |||||
| Number | Date | Patentee | Title | Type | |
| 3,933,189 | Jan. 20, 1976 | R.J. Flanigan, C.L. Boles | Noise reducing planer cutter head | cutterheads | |
| 4,557,303 | Dec. 10, 1985 | G.L. Gardner, C.K. Greathouse | Spindle shaper | wood shapers | |