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All Patents in class 264/112 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 467,254 | Jan. 19, 1892 | S.G. Hodges | Method of forming emery-wheels | |
![]() | 631,842 | Aug. 29, 1899 | C.A. Worden | Sharpening-machine | |
![]() | 2,717,422 | Sep. 13, 1955 | W.J. Stolp, O.R. Rowe | Method and means for forming sanding blocks |