Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843104 | Syntactic polymer foam compositions containing microsphere fillers | George E. Melber, Leon E. Wolinski | 1989-06-27 |
| 4829094 | Thermoplastic microspheres | George E. Melber, Leon E. Wolinski | 1989-05-09 |