Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053266 | Ventilation tile with pliable edge areas | Mark L. Hesketh, Peter Alker, Karl Hofmann, Wilhelm Rottger | 1991-10-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053266 | Ventilation tile with pliable edge areas | Mark L. Hesketh, Peter Alker, Karl Hofmann, Wilhelm Rottger | 1991-10-01 |