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| Patents for William G. Kleinfelder | |||||
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| Number | Date | Patentee | Title | Type | |
| 632,312 | Sep. 05, 1899 | W.G. Kleinfelder | Tool Stock | metal planer tool holders | |
| 945,958 | Jan. 11, 1910 | W.G. Kleinfelder | Planer | metal planers | |