| Patents for Graydon Smith |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 2,226,446 | Dec. 24, 1940 | A. Allen, G. Smith | Process for treating thermoplastic products | plastic molding machines |
| 2,226,447 | Dec. 24, 1940 | A. Allen, G. Smith | Magnetic heater | plastic molding machines |
| 2,226,448 | Dec. 24, 1940 | G. Smith | Magnetic field structure | plastic molding machines |
| 2,309,496 | Jan. 26, 1943 | G. Smith, L.F. Marsh, E.S. Bird | Heating apparatus for injection molding machines | plastic molding machines |
| CA-410,542 | Feb. 09, 1943 | G. Smith | Magnetic field structure | plastic molding machines |
| CA-410,543 | Feb. 09, 1943 | A. Albert, G. Smith | Magnetic heater | plastic molding machines |
| CA-417,595 | Jan. 04, 1944 | E.S. Bird, G. Smith, L.F. Marsh | Heating apparatus for injection moulding machines | plastic molding machines |
| 2,339,607 | Jan. 18, 1944 | G. Smith | Method of preparing moldable material | plastic molding machines |
| 2,350,539 | Jun. 06, 1944 | G. Smith | Automatic temperature control for injection molding machines | plastic molding machines |
| 2,370,883 | Mar. 06, 1945 | G. Smith | Apparatus for heating materials for molding | plastic molding machines |
| CA-430,947 | Oct. 30, 1945 | G. Smith | Mouldable material preparing method | plastic molding machines |
