Referenced by|
| US4154289 | 6 Apr 1976 | 15 May 1979 | Marie-Therese Simian | Gating system | | US4576219 | 22 Oct 1982 | 18 Mar 1986 | Certech Incorporated | Molten metals filter apparatus | | US4598757 | 26 Jul 1984 | 8 Jul 1986 | Outboard Marine Corporation | Bonded sand sprue cup | | US4721567 | 6 Jun 1984 | 26 Jan 1988 | Certech Inc. | Ceramic pouring filter with tortuous flow paths | | US4749022 | 28 Nov 1986 | 7 Jun 1988 | Marie-Therese Simian | Foundry gating system | | US4907640 | 6 Jun 1988 | 13 Mar 1990 | Marie-Therese Simian | Foundry gating system |
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