All Patents in class 476/59 |
Patents 1 -
8
of 8
      |
Picture | Number | Date | Patentee | Title |
 | 122,161 | Dec. 26, 1871 | M.W. Danks | Improvement in circular-saw mills |
| 161,217 | Mar. 23, 1875 | G.T. Ellis | Road Engine |
 | 162,260 | Apr. 20, 1875 | N.H. Whitten | Improvement in operating paper-calendering rolls |
 | 1,477,052 | Dec. 11, 1923 | J.D. Gibbs | Friction gearing |
 | 1,889,947 | Dec. 06, 1932 | G.H. Carlson | Frictional drive for a router or the like |
 | 2,173,608 | Sep. 19, 1939 | W.L. Groene | Change speed friction gearing |
| 2,306,695 | Dec. 29, 1942 | W.L. Groene | Lathe Headstock Transmission |
 | 2,317,854 | Apr. 27, 1943 | W.L. Groene | Friction transmission gearing |