Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294750 | Pyroplastoid particles, composition and method of production | Leo C. Ehrenreich | 1981-10-13 |
| 4268320 | Pyroplastoid particles, composition and method of production | Leo C. Ehrenreich | 1981-05-19 |