| Patents for W. H. Beck |
Patents 16 -
23
of 23
      |
| Number | Date | Patentee | Title | Type |
| 659,990 | Oct. 16, 1900 | S.J. Shimer | Cutter-head | cutterheads |
| 668,586 | Feb. 19, 1901 | S.J. Shimer | Cutter-head | cutterheads |
| 698,315 | Apr. 22, 1902 | E.S. Shimer, H.A. Pardoe | Grinding-machine | cutter grinding machines |
| 700,552 | May 20, 1902 | H.A. Pardoe, E.S. Shimer | Cutter-head bit | cutterheads |
| 719,266 | Jan. 27, 1903 | E.S. Shimer | Cutter-head | cutterheads |
| 841,587 | Jan. 15, 1907 | E.S. Shimer | Bit for rotary cutter-heads | cutters |
| 874,871 | Dec. 24, 1907 | E.S. Shimer | Rotary cutter-head | cutterheads |
| 1,025,839 | May 07, 1912 | E.S. Shimer | Cutter-head | cutterheads |
