| Patents for Harold Corbett |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,763,374 | Sep. 18, 1956 | H. Corbett | Apparatus for screening plastic materials | plastic molding machines |
| CA-544,354 | Jul. 30, 1957 | H. Corbett | Apparatus for screening plastic materials | plastic molding machines |
| GB-792,252 | Mar. 26, 1958 | H. Corbett | An extruding-machine incorporating a filter | plastic molding machines |
| GB-838,319 | Jun. 22, 1960 | H. Corbett | Apparatus for plasticizing solid particulate material for a molding or extruding operation | plastic molding machines |
| DE-1,097,660 | Jan. 19, 1961 | H. Corbett | Filter device for an extrusion press | plastic molding machines |
| CH-358,228 | Nov. 15, 1961 | H. Corbett | Device for preparing thermoplastic masses for molding | plastic molding machines |
