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| Patents for Ernest A. Overstedt | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,032,589 | Mar. 03, 1936 | E.A. Overstedt | Gear Lapping Machine | ||
| 2,254,240 | Sep. 02, 1941 | E.A. Overstedt | Machine for Finishing Gears | ||