| All Patents in class 451/24 |
Patents 16 -
30
of 33
      |
| Number | Date | Patentee | Title | Type |
| 2,315,794 | Apr. 06, 1943 | A.M. Johnson | Method of and apparatus for honing | honing machines |
| 2,365,059 | Dec. 12, 1944 | J. Decker | Feed Mechanism for Grinding Machines | coolant apparatus |
| 2,475,326 | Jul. 05, 1949 | C. Johnson | Control system | milling machine accessories |
| 2,518,600 | Aug. 15, 1950 | W.A. Cox | Infeed Attachment for Grinding Machines | centerless grinders |
| 2,599,698 | Jun. 10, 1952 | A.H. Dall | Grinding Machine | grinding machines |
| 2,671,294 | Mar. 09, 1954 | E.S. Cornell | Hydraulically Driven Machine Tool | surface grinders |
| 2,988,858 | Jun. 20, 1961 | R.M. Bell, M.M. Bass | Grinding machine | |
| 3,034,265 | May 15, 1962 | J. Decker | Grinding Machine Rapid Advance Motor | grinding attachments |
| 3,052,069 | Sep. 04, 1962 | R. Grzymek | Automatic Feed Mechanism for Machine Tools | grinding machines |
| 3,056,239 | Oct. 02, 1962 | E. Gosney, Jr., W.B. Seidel | Grinding Wheel Feed Mechanism Responsive to Pressure of Wheel on Work | grinding machines |
| 3,130,525 | Apr. 28, 1964 | H.E. Luebkemann | Servo-Controlled Grinder Infeed Mechanism | cylindrical grinders |
| 3,209,494 | Oct. 05, 1965 | W.B. Seidel | Method and Apparatus for Grinding Annular Workpieces | cylindrical grinders |
| 3,237,350 | Mar. 01, 1966 | M.R. Estabrook | Automatic honing method | honing machines |
| 3,816,998 | Jun. 18, 1974 | H.W. Grivna, D.C. Elm | Method of and apparatus for rapidly abrading metal workpieces | metal sanding machines |
| 3,893,265 | Jul. 08, 1975 | A.J. Stinn, D.C. Elm | Vertical abrasive belt type surface grinder | metal sanding machines |
