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| Patents for Van Norman Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,727,339 | Dec. 20, 1955 | R.M. Anderson, R.S. Pyne | Grinding wheel feed for grinding machines | cylindrical grinders | |
| 2,737,760 | Mar. 13, 1956 | F.P. Healy | Machine tool apparatus | crankshaft grinders | |