| All Patents in class 408/170 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
| | 265,272 | Oct. 03, 1882 | V. Moeslein | Expanding Reamer |
| | 321,116 | Jun. 30, 1885 | J. Groves, P.J. Kelly | Adjustable Reamer |
 | 1,046,739 | Dec. 10, 1912 | E.E. Davis | Reaming-tool |
| | 1,127,121 | Feb. 02, 1915 | V.J. Wahlstrom | Expanding reamer |
 | 1,265,888 | May 14, 1918 | D.H. Dugar | Expansible Reamer |
 | 1,619,855 | Mar. 08, 1927 | E.E. Davis | Expansion reamer |
 | 1,674,890 | Jun. 26, 1928 | E.E. Davis | Expansion reamer |
 | 1,740,986 | Dec. 24, 1929 | J.E. Kilzer | Expansion reamer |
 | 1,902,062 | Mar. 21, 1933 | W.H. Evans | Expansion reamer |
| | 2,138,727 | Nov. 29, 1938 | S.A. Cogsdill | Cutting Tool |
