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| Patents for Biddle Purchasing Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 618,859 | Feb. 07, 1899 | J. Gardiner | Wrench | screw adjust wrenches | |
| 618,899 | Feb. 07, 1899 | W.M. Norcross | Wrench | quick adjust wrenches | |