| Patents for Donald K. Greenberg |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 2,757,488 | Aug. 07, 1956 | D.K. Greenberg | Multiple spindle honing machine | honing machines |
| 2,780,893 | Feb. 12, 1957 | E.Y. Seborg, D.K. Greenberg | Honing machine | honing machines |
| 3,154,893 | Nov. 03, 1964 | K.H. Casson, D.K. Greenberg | Honing element | honing machines |
| 3,286,409 | Nov. 22, 1966 | D.K. Greenberg | Honing machine | honing machines |
| 3,369,330 | Feb. 20, 1968 | M.R. Estabrook, D.K. Greenberg | Automatic abrading machine | |
| 3,840,120 | Oct. 08, 1974 | D.K. Greenberg | Apparatus for separating particles from liquid | |
| 3,844,546 | Oct. 29, 1974 | D.K. Greenberg | Clamping fixture for a tubular workpiece | |
| 4,025,433 | May 24, 1977 | D.K. Greenberg | Magnetic separating apparatus | |
