| All Patents in class 74/333 |
Patents 16 -
30
of 190
      |
| Number | Date | Patentee | Title | Type |
| 691,963 | Jan. 28, 1902 | W.P. Norton | Speed Changing and Reversing Mechanism | metalworking speed changing mechanisms |
| 714,567 | Nov. 25, 1902 | J. Edgar | Change Feed Mechanism | metalworking speed changing mechanisms |
| 715,921 | Dec. 16, 1902 | W.A. Wood | Feed Mechanism for Screw Cutting Lathes | metal lathes |
| 715,922 | Dec. 16, 1902 | W.A. Wood | Variable-speed mechanism | metal lathes |
| 725,099 | Apr. 14, 1903 | W.F. Groene, R.K. Le Blond | Variable Speed Mechanism for Back Gearing | metalworking speed changing mechanisms |
| 725,141 | Apr. 14, 1903 | C.F. Laur, A.E. Robinson | Speed Changing Mechanism | metal lathes |
| 761,324 | May 31, 1904 | W.L. Schellenbach | Speed Changing Mechanism | metalworking speed changing mechanisms |
| 788,483 | Apr. 25, 1905 | N.D. Chard, W. Lodge | Head-Stock for Engine-Lathes | metal lathes |
| 788,500 | Apr. 25, 1905 | N.D. Chard | Gearing for Lathe Head-Stocks | industrial machine gearing |
| 788,658 | May 02, 1905 | R.K. Le Blond | Speed Changing Device | metalworking speed changing mechanisms |
| 794,464 | Jul. 11, 1905 | J. Parker | Variable-speed mechanism | milling machines |
| 795,222 | Jul. 18, 1905 | B.M. Hanson | Gearing for lathes | metal lathes |
| 807,274 | Dec. 12, 1905 | I.H. Johnson, Jr. | Gearing for Lathes or Other Tools | metalworking machine mechanisms |
| 810,634 | Jan. 23, 1906 | H.L. Flather | Change Speed Gearing for Lathes | metalworking speed changing mechanisms |
| 818,632 | Apr. 24, 1906 | C.F. Laur | Variable Speed Mechanism | metalworking speed changing mechanisms |
