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| Number | Title | Issue Date |
| 5183069 | Adjustable valve stem apparatus for valve gated injection molding devices An adjustable valve stem apparatus 10 adapted for use in an injection molding equipment or device comprises a cylindrical body 12 comprising internally threaded fixed portion 14 and moveable portion 16 threadably mounted on a double-ended screw 30. The fi... | 02/02/1993 |
| 5080575 | Adjustable valve stem apparatus for valve gated injection molding devices An adjustable valve stem apparatus 10 adapted for use in an injection molding equipment or device comprises a cylindrical body 12 comprising internally threaded fixed portion 14 and moveable portion 16 threadably mounted on a double-ended screw 30. The fi... | 01/14/1992 |
