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| Patents for Joseph Walker Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 660,719 | Oct. 30, 1900 | E.G. Budd | Die for forming sheet metal | industrial machine pulleys and belt drive mechanisms | |
| 665,873 | Jan. 15, 1901 | E.G. Budd | Sheet-metal spoke-blank | industrial machine pulleys and belt drive mechanisms | |