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| Patents for Hans C. Hanson | |||||
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| Number | Date | Patentee | Title | Type | |
| 740,646 | Oct. 06, 1903 | H.C. Hanson | Depth Gage | micrometer depth gauges | |
| 1,043,421 | Nov. 05, 1912 | H.C. Hanson | Self Heating Sad Iron | pressing irons | |