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| Patents for Charles F. Burkhart | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 622,329 | Apr. 04, 1899 | F.H. Crafts | Speed Changing Driving Mechanism for Lathes | |
 | 633,314 | Sep. 19, 1899 | C. Hammelmann | Portable Forge | |
 | 719,072 | Jan. 27, 1903 | C.G. Annesley | Spark Igniting Mechanism for Explosive Engines | |
 | 820,330 | May 08, 1906 | C.H. Amidon | Planing Machine | |