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| Patents for Henry S. Hubbell | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,038,755 | Sep. 17, 1912 | H.S. Hubbell | Chuck | drill press chucks | |
| 1,267,075 | May 21, 1918 | H.S. Hubbell | Micrometer Calipers | micrometers | |
| 1,440,080 | Dec. 26, 1922 | H.S. Hubbell | Micrometer | micrometers | |