| All Patents in class 451/23 |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 2,403,546 | Jul. 09, 1946 | J.O. Olsen | Method and apparatus for honing | honing machines |
| 2,526,796 | Oct. 24, 1950 | G.H. Asbridge | Precision grinding machine | |
| 3,109,263 | Nov. 05, 1963 | A.D. Stuckey | Precision Grinding Machine | centerless grinders |
| 3,127,713 | Apr. 07, 1964 | L.J. Carlier | Shoulder Grinding and Spindle End Adjustment Mechanism | grinding machines |
| 3,157,091 | Nov. 17, 1964 | G. Mickas | Feed Mechanism | gear making machines |
| 3,222,824 | Dec. 14, 1965 | W.B. Seidel | Machine Tool Positioning Mechanism | grinding machines |
| 3,280,512 | Oct. 25, 1966 | W.B. Seidel | Grinding Machine Feed Mechanism | cylindrical grinders |
| 3,402,513 | Sep. 24, 1968 | H. Maack | Headstock Quill for Cylindrical Grinder | cylindrical grinders |
| 3,410,028 | Nov. 12, 1968 | M.R. Estabrook | Control of automatic abrading machines | |
