Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306852 | Sprueless plastic material injection molding injection apparatus | Tzvetan P. Krestev | 1981-12-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306852 | Sprueless plastic material injection molding injection apparatus | Tzvetan P. Krestev | 1981-12-22 |