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| Patents for S. H. Hubbard | |||||
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| Number | Date | Patentee | Title | Type | |
| 376,331 | Jan. 10, 1888 | A.P. Millspaugh | Bench-hook | bench stops | |
| 412,215 | Jun. 15, 1889 | H.C. Walter, E.P. Walter | Machine for Cutting Special Pinions | gear making machines | |