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| Patents for Albert W. Spear | |||||
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| Number | Date | Patentee | Title | Type | |
| 322,966 | Jul. 28, 1885 | J. Prince | Knife for hoop-shaving machines | hoop making machines | |
| 322,967 | Jul. 28, 1885 | J. Prince | Hoop-shaving machine | hoop making machines | |