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All Patents in class 264/113 | |||||
Number | Date | Patentee | Title | Type | |
3,098,261 | Jul. 23, 1963 | J.J. Littley, R. Burns | Powdered metal compacting press | ||
3,116,986 | Jan. 07, 1964 | E.C. Johns, G.J. Geopfert | Method of Making Cold-Molded Abrasive Wheel | grinder wheels |