Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363199 | Fire resistant sealing system for holes in fire resistant building partitions | Chhattar S. Kucheria | 1982-12-14 |
| 4312911 | Chromium oxide coated refractory fibers | Richard E. Tressler | 1982-01-26 |