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| Patents for William E. Heuer | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,922,202 | Aug. 15, 1933 | W.E. Heuer, E.A. Hall | Cylinder Working Tool | ||
| 1,931,986 | Oct. 24, 1933 | W.E. Heuer | Cylinder Hone | ||
| 1,941,837 | Jan. 02, 1934 | W.E. Heuer | Device for Adjusting Cylinder Hones and the Like | ||