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| Number | Title | Issue Date |
| 4527537 | Dressing tool for grinding wheels A diamond point type dressing tool with means for adjustment to dead center within a tolerance of &#b1;0.0001" is mounted to a control head assembly capable of producing horizontal, rotary and vertical movements of the tool either independently or simulta... | 07/09/1985 |
| 4357928 | Dressing device for shaping grinding wheels A dressing device for shaping grinding wheels for use in manufacture of gear wheels and the like, comprises an arm (4) supported intermediate its ends by a spherical bearing (5,9) for free angular movement about a fixed point (P) on the arm axis and for r... | 11/09/1982 |
| 4354780 | Making formed milled cutters and key cutters A machine forming teeth about the periphery of a round blank which has two faces at an angle to each other, and a peripheral edge. The teeth are to appear at both faces and the edge. A single rotary tooth cutter is given a single path to cut each tooth an... | 10/19/1982 |
| 4291666 | Dressing tool for grinding wheels A diamond point type dressing tool is mounted in a control head assembly capable of producing horizontal and vertical movements of the tool either independently or simultaneously to reproduce from a remotely disposed associated template any desired contou... | 09/29/1981 |
| 4056136 | Portable tool guide A guide apparatus for a portable tool, such as is used for carving or sculpturing wood. A maulstick is adapted to pivotally support the tool. It has a handle at one side, and is loosely guided by a post at its opposite side. The center portion of the maul... | 11/01/1977 |
