Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929005 | Device for transferring electric power | — | 1990-05-29 |
| 4559368 | Fire-guard composition and method for preparing same | — | 1985-12-17 |
| 4538389 | Fire-break | — | 1985-09-03 |
| 4424653 | Fire-proof window | — | 1984-01-10 |
| 4245445 | Method for making a fire-proof passage and passage obtained thereby | — | 1981-01-20 |