| All Patents in class 409/304 |
Patents 31 -
35
of 35
      |
| Number | Date | Patentee | Title | Type |
| 2,551,359 | May 01, 1951 | M. Wahlstrom, R.F. Bannow | Slotting Machine Operating at Universal Angles in Overall Locations | milling machine accessories |
| 2,868,090 | Jan. 13, 1959 | D.S. McCullough | Attachment for Internal Keyway Cutting and Slotting | milling machine accessories |
| 3,250,181 | May 10, 1966 | J.R. Bashor | Fully automatic keyway shaper | keyway cutting machines |
| 5,199,829 | Apr. 06, 1993 | D.J. Bramwell | Dovetail Shaper Metal-Cutting Tool | metal shaper tools |
| 6,942,438 | Sep. 13, 2005 | S.L. Deguise | Keyway Cutter Tool and Method | keyway cutting machines |
