| All Patents in class 403/247 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 101,238 | Mar. 29, 1870 | J. Du Bois, E.F. Beugler | Improvement in fastening for cutter-heads, pulleys, etc. | cutterheads |
| 170,930 | Dec. 14, 1875 | L. Bailey | Improvement in safety rein holders | |
| 301,905 | Jul. 15, 1884 | A.E. Lytle | Expansion-arbor | woodworking machine mechanisms |
| 484,654 | Oct. 18, 1892 | W.E. Daily | Screw-driver | eggbeater drills |
| 613,459 | Nov. 01, 1898 | E.G. Minnemeyer | Hammer | hammer handles |
| 618,245 | Jan. 24, 1899 | M.D. Converse | Monkey Wrench | quick adjust wrenches |
| 860,108 | Jul. 16, 1907 | T.F. Sheridan | Steam-turbine | rotary steam engines |
| 1,213,888 | Jan. 30, 1917 | F.L. Lane | Matcher-head | cutterheads |
