Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358480 | Method of repairing surface damage to porous refractory substrates | Calvin Schomburg | 1982-11-09 |
| 4358486 | Densification of porous refractory substrates | Calvin Schomburg | 1982-11-09 |