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| Patents for Frank D. Howard | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,027,575 | May 28, 1912 | C.H. Usher | Stop-motion for planers and the like | |
 | CA-140,867 | Jun. 04, 1912 | C.H. Usher | Planer mechanism | |
 | 1,088,852 | Mar. 03, 1914 | C.H. Usher | Planer-stop mechanism | |