Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973506 | Composite plate for the facing of building surfaces | Rudolf Bauer | 1990-11-27 |
| 4251579 | Fire protection means | Eric Chi Shun Lee, Laurence J. A. Theobald, Harold W. G. Wyeth | 1981-02-17 |