| All Patents in class 425/593 |
Patents 1 -
6
of 6
      |
| Picture | Number | Date | Patentee | Title |
| | 2,246,414 | Jun. 17, 1941 | F.W. McIntyre | Plastic molding machine |
| | 2,371,547 | Mar. 13, 1945 | C.S. Fuzak, V.E. Rosenlund | Pressure exerting mechanism |
| | 2,416,349 | Feb. 25, 1947 | W.S. Renier | Molding Machine for Plastics and Other Moldable Materials |
| | 2,460,468 | Feb. 01, 1949 | W.S. Renier | Molding Machine for Plastics and Other Moldable Materials |
| | 3,599,279 | Aug. 17, 1971 | D.I. McDonald | Clamping Mechanism |
| | 3,609,816 | Oct. 05, 1971 | D.I. McDonald | Hydraulic Clamping Mechanism |
