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| Patents for Elmer S. Shimer | |||||
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| Number | Date | Patentee | Title | Type | |
| 843,498 | Feb. 05, 1907 | E.S. Shimer | Cutter-head | cutterheads | |
| 844,197 | Feb. 12, 1907 | E.S. Shimer | Rotary cutter-head | cutterheads | |
| 874,871 | Dec. 24, 1907 | E.S. Shimer | Rotary cutter-head | cutterheads | |
| 1,025,839 | May 07, 1912 | E.S. Shimer | Cutter-head | cutterheads | |
| 1,348,753 | Aug. 03, 1920 | E.S. Shimer | Cutter-head | cutterheads | |