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| Patents for Ely C. Hutchinson | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,537,465 | May 12, 1925 | E.C. Hutchinson | Louver Type Baffle Plate | ||
| 1,559,879 | Nov. 03, 1925 | E.C. Hutchinson | Bearing Construction | ||