| All Patents in class 474/26 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 8,418X | Sep. 23, 1834 | S. Leonard | Horse power |
 | RE18,333 | Jan. 12, 1932 | P.B. Reeves | Variable speed unit |
 | 1,921,758 | Aug. 08, 1933 | L.F. Koss, Jr. | Variable speed drive |
 | 1,941,417 | Dec. 26, 1933 | P.B. Reeves | Variable speed unit |
| | 2,096,339 | Oct. 19, 1937 | P.B. Reeves | Variable speed spinning frame drive |
 | 2,258,776 | Oct. 14, 1941 | A.W. L'Hommedieu, E. Hawkinson | Variable speed mechanism |
 | 2,379,405 | Jul. 03, 1945 | J.B. Armitage | Milling Machine |
| | 2,382,935 | Aug. 14, 1945 | J.B. Armitage | Variable Speed Drive Mechanism |
 | 2,619,842 | Dec. 02, 1952 | P.C. Felix | Variable-speed drive for machine tools |
