Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741378 | Sprue pin for producing castings | Melvin A. Engelman, Victor Zamaloff | 1988-05-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741378 | Sprue pin for producing castings | Melvin A. Engelman, Victor Zamaloff | 1988-05-03 |