| All Patents in class 74/344 |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
 | 31,342 | Feb. 05, 1861 | J.S. Upton | Horse Power |
| | 533,997 | Feb. 12, 1895 | E.J. McClellan | Lathe |
 | 541,385 | Jun. 18, 1895 | C.J. Paulson | Differential Gear Wheel |
| | 621,158 | Mar. 14, 1899 | I. Sedgwick | Traction Engine |
 | 780,704 | Jan. 24, 1905 | N.D. Chard | Gearing for Headstocks for Lathes |
 | 815,642 | Mar. 20, 1906 | W.T. Sears | Speed-changer |
 | 834,063 | Oct. 23, 1906 | E.J. Kearney, T. Trecker | Means for lubricating machine-tools |
 | 837,969 | Dec. 11, 1906 | W.T. Sears | Speeder |
 | 841,723 | Jan. 22, 1907 | W.T. Sears | Power-transmission device |
 | 844,415 | Feb. 19, 1907 | W.T. Sears | Power-transmission device |
