Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5486475 | Membrane module to remove gaseous substances from a gas stream | Valentin Kramer | 1996-01-23 |
| 4961339 | Device for testing articles of clothing for waterproofness | Rudolf Kleis | 1990-10-09 |
| 4453726 | Roller skate or the like with brake attachment | — | 1984-06-12 |