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| Patents for Sherman Hartwell Hubbard | |||||
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| Picture | Number | Date | Patentee | Title | |
| 439,951 | Nov. 04, 1890 | T.C. Hendey | Swaging Machine | ||
| 439,952 | Nov. 04, 1890 | T.C. Hendey | Swaging Machine | ||
 | 452,768 | May 26, 1891 | A.W. Cash | Nipple-chuck | |
 | 452,769 | May 26, 1891 | A.W. Cash | Nipple-chuck | |
 | 452,770 | May 26, 1891 | A.W. Cash | Nipple-chuck | |