Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470521 | Method for the thermal densification of thermoplastic articles | Richard A. Wenzel, Lewis E. Sable, Phillip A. Williams | 1995-11-28 |
| 5356944 | High melt index polystytene foam and method | James E. Blythe, Edward A. Colombo, Phillip A. Williams, Wen P. Wu | 1994-10-18 |
| 5286429 | High melt index polystyrene foam and method | James E. Blythe, Edward A. Colombo, Phillip A. Williams, Wen P. Wu | 1994-02-15 |
| 5269948 | Decontamination of polystyrene | — | 1993-12-14 |
| 4752625 | Thermoplastic foam molding | Wen P. Wu | 1988-06-21 |
| 4665105 | Polymer foam, thermoformed shapes thereof and methods of forming same | Wen P. Wu | 1987-05-12 |
| 4598098 | Polymer foam, thermoformed shapes thereof and methods of forming same | Wen P. Wu | 1986-07-01 |
| 4598100 | Polymer foam, thermoformed shapes thereof and methods of forming same | Wen P. Wu | 1986-07-01 |
| 4598101 | Polymer foam, thermoformed shapes thereof and methods of forming same | Wen P. Wu | 1986-07-01 |
| 4598104 | Polymer foam, thermoformed shapes thereof and method of forming same | Wen P. Wu | 1986-07-01 |
| 4594208 | Polymer foam, thermoformed shapes thereof and methods of forming same | Wen P. Wu | 1986-06-10 |
| 4587271 | Polymer foam, thermoformed shapes thereof and methods of forming same | Wen P. Wu | 1986-05-06 |
| 4579878 | Polymer foam, thermoformed shaped thereof and methods of forming same | Wen P. Wu | 1986-04-01 |
| 4579710 | Polymer foam, thermoformed shapes thereof and methods of forming same | Wen P. Wu | 1986-04-01 |
| 4579873 | Polymer foam, thermoformed shapes thereof and methods of forming same | Wen P. Wu | 1986-04-01 |
| 4579874 | Polymer foam, thermoformed shapes thereof and methods of forming same | Wen P. Wu | 1986-04-01 |
| 4573345 | Melt rheometer control | Raj Ranjan, Jan-Chin Yang | 1986-03-04 |
| 4535100 | Polymer foam, thermoformed shapes thereof and methods of forming same | Wen P. Wu | 1985-08-13 |
| 4532094 | Thermoplastic foam molding | Wen P. Wu | 1985-07-30 |
| 4532263 | Expansible polymer molding process and the resultant product | Wen P. Wu | 1985-07-30 |
| 4485059 | Polymer foam thermoformation process and apparatus therefor | Wen P. Wu | 1984-11-27 |
| 4424287 | Polymer foam process | D. Emil Johnson, G. Vincent Sharps, Jr. | 1984-01-03 |
| 4420448 | Polymer foam process | — | 1983-12-13 |
| 4419309 | Polystyrene foam extrusion into a foam assisting atmosphere | — | 1983-12-06 |
| 4412961 | Method and apparatus for measurement and control of cell size in a foam structure | Daniel J. DiBiasi | 1983-11-01 |