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| Patents for John William Parker | |||||
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| Number | Date | Patentee | Title | Type | |
| 486,166 | Nov. 15, 1892 | J.W. Parker, W. Moore | Lathe Dog | lathe dogs | |
| 1,428,608 | Sep. 12, 1922 | J.W. Parker | Clamp | hand screws | |