| All Patents in class 74/665Q |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
 | 243,634 | Jun. 28, 1881 | J.S. Bancroft, W. Sellers | Feed Gearing for Machine Tools |
 | 1,228,210 | May 29, 1917 | I.E. Hindman | Screw-jack |
| | 2,010,366 | Aug. 06, 1935 | B.A. Kearns | Grinding Machine |
| | 2,029,094 | Jan. 28, 1936 | N.S. Lundberg, C.B. De Vilieg | Power Transmission Mechanism |
| | 2,390,589 | Dec. 11, 1945 | M.P. Holmes | Two-speed Drive Mechanism |
| | 2,423,243 | Jul. 01, 1947 | J.E. Lovely | Two-speed Drive Mechanism |
 | 2,767,598 | Oct. 23, 1956 | F.G. Burg | Speed control system for machine tools |
