| All Patents in class 74/366 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 230,762 | Aug. 03, 1880 | F.L. Fairchild | Traction Engine | steam traction engines |
| 557,328 | Mar. 31, 1896 | H.E. Goodell, A.D. Goodell | Breast-drill | breast drills |
| 735,446 | Aug. 04, 1903 | E. Baseman | Speed mechanism | |
| 906,902 | Dec. 15, 1908 | G.O. Leopold | Speed-change gear | eggbeater drills |
| 917,319 | Apr. 06, 1909 | G.O. Leopold | Breast-drill | breast drills |
| 939,042 | Nov. 02, 1909 | G.O. Leopold | Gearing | eggbeater drills |
| 988,723 | Apr. 04, 1911 | J.A. Leland | Change-speed gearing | eggbeater drills |
| 1,015,235 | Jan. 16, 1912 | G.O. Leopold | Gearing | eggbeater drills |
| 1,021,538 | Mar. 26, 1912 | G.O. Leopold | Gearing | eggbeater drills |
| 1,034,838 | Aug. 06, 1912 | H.A. Ryther | Change-speed gearing | eggbeater drills |
| 1,659,304 | Feb. 14, 1928 | R.L. Rickwood, O.E. Schauer | Split Sleeve Frictional Reverser | metalworking power transmission |
