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| Patents for W. S. Van Loan | |||||
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| Number | Date | Patentee | Title | Type | |
| 590,619 | Sep. 28, 1897 | J.W. Lind | Wrench | quick adjust wrenches | |
| 595,475 | Dec. 14, 1897 | R. Hegarty | Measuring Pole | measuring rods | |
| 596,777 | Jan. 04, 1898 | A. Hopkins | Nut Wrench | nut wrenches | |