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| Patents for Henry E. Van Ness | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,042,507 | Oct. 29, 1912 | H.E. Van Ness | Drill-chuck | drill press chucks | |
| 1,138,429 | May 04, 1915 | H.E. Van Ness | Attachment for Milling Machines | gear making machines | |
| 1,159,344 | Nov. 02, 1915 | H.E. Van Ness | Drill Chuck | drill press chucks | |