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| Patents for Adolph H. Davis | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 2,459,416 | Jan. 18, 1949 | A.H. Davis | Adapter for boring bars | |
 | 2,461,734 | Feb. 15, 1949 | A.L. Hartley, A.H. Davis | Flame hardening apparatus | |
 | 2,490,117 | Dec. 06, 1949 | A.H. Davis | Adjustable boring bar | |
 | 2,500,989 | Mar. 21, 1950 | W.D. Whalen, A.H. Davis, A.L. Hartley | Metallurgical apparatus | |