Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556650 | Injection molding system utilizing primary and secondary resin flow paths | — | 1996-09-17 |
| 5417916 | Injection molding method utilizing primary and secondary resin flow paths | — | 1995-05-23 |
| D311982 | Plastic trash can | — | 1990-11-06 |
| 4352767 | Elimination of paint flash on foam molded articles during their molding | Raymond W. Hatfield | 1982-10-05 |
| 4185060 | Method of manufacturing structural foam plastic products free from undesirable contaminant constituents | — | 1980-01-22 |