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| Patents for Harry S. Jakobsen | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 2,366,623 | Jan. 02, 1945 | H.S. Jakobsen | Radii and Angle Dresser | |
| 2,400,826 | May 21, 1946 | H.S. Jakobsen | Universal Grinder Head | ||
| 2,431,122 | Nov. 18, 1947 | H.S. Jakobsen | Variable Volume Hydraulic Pump of the Axially Oscillating Vane Type | ||
| 2,725,049 | Nov. 29, 1955 | H.S. Jakobsen | Profiling Dresser for Grinding Machine | ||
| 2,725,050 | Nov. 29, 1955 | H.S. Jakobsen | Grinding Wheel Dressers | ||
| 2,853,993 | Sep. 30, 1958 | H.S. Jakobsen | Stone Dresser | ||