Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629488 | Cooling system for neck ring and parison mold | Wilbur O. Doud, Robert E. Davis | 1986-12-16 |
| 4623374 | Cooling system for parison plunger | Wilbur O. Doud, Robert E. Davis | 1986-11-18 |