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| Patents for Evans Flexible Reamer Corp. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,680,466 | Aug. 14, 1928 | W.H. Evans | Reaming tool | |
 | 1,680,510 | Aug. 14, 1928 | W.H. Evans | Valve-seat reamer | |
 | 1,827,510 | Oct. 13, 1931 | W.H. Evans | Valve seat reamer | |
 | 1,827,511 | Oct. 13, 1931 | W.H. Evans | Reamer | |
 | 1,847,045 | Feb. 23, 1932 | W.H. Evans | Reamer sharpening machine | |
 | 1,902,062 | Mar. 21, 1933 | W.H. Evans | Expansion reamer | |
 | 1,989,476 | Jan. 29, 1935 | W.H. Evans | Expansion reamer | |