Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825049 | Carbon film coated refractory fiber cloth | — | 1989-04-25 |
| 4818607 | Small hollow particles with conductive coating | Donald Z. Rogers | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825049 | Carbon film coated refractory fiber cloth | — | 1989-04-25 |
| 4818607 | Small hollow particles with conductive coating | Donald Z. Rogers | 1989-04-04 |