Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4268224 | Method of and means for conveying and measuring gases for gas analysis operations | Wolfram Breuer | 1981-05-19 |
| 4188196 | Absorber with suction pump | Rudolf Casper, Roland Grober, Karl-Heinz Schabel | 1980-02-12 |