| All Patents in class 74/410 |
Patents 1 -
10
of 19
      |
| Picture | Number | Date | Patentee | Title |
| | 113,750 | Apr. 18, 1871 | W.W. Dingee | Horse Power |
| | 200,439 | Feb. 19, 1878 | W.W. Dingee | Horse-Power |
| | 294,221 | Feb. 26, 1884 | J.R. Gorrell, J. Miller | Circular saw mill |
| | 550,390 | Nov. 26, 1895 | F. Hart | Driving Gear |
| | 800,571 | Sep. 26, 1905 | J. Hartness | Balanced Drive for Lathes |
 | 809,394 | Jan. 09, 1906 | A. Pedersen | Electrically-operated portable drill |
 | 905,260 | Dec. 01, 1908 | C.J. Widmer | Combined friction and jaw clutch |
| | 1,415,556 | May 09, 1922 | C.L. Heisler | Gearing |
| | 1,453,709 | May 01, 1923 | C.L. Heisler | Gearing |
| | 1,810,747 | Jun. 16, 1931 | G.H. Benzon, Jr. | Differential Gear |
