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| Patents for Albert G. Hagstrom | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,267,332 | Dec. 23, 1941 | A.G. Hagstrom | Direct Reading Positive Measuring Micrometer Gauge | micrometers | |
| 2,741,847 | Apr. 17, 1956 | A.G. Hagstrom | Micrometer Gauge Having Means to Prevent Lost Motion | micrometers | |