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All Patents in class 451/242 | |||||
Number | Date | Patentee | Title | Type | |
3,209,494 | Oct. 05, 1965 | W.B. Seidel | Method and Apparatus for Grinding Annular Workpieces | cylindrical grinders | |
3,220,145 | Nov. 30, 1965 | P.E. Soden | Workpiece Ejector for Centerless Grinding Machine | centerless grinders | |
3,280,512 | Oct. 25, 1966 | W.B. Seidel | Grinding Machine Feed Mechanism | cylindrical grinders | |
3,691,698 | Sep. 19, 1972 | R.L. Schaller | Abrasive element dimension sensing mechanism | sanding machines |