Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6200476 | Method an device for introducing oxygen into water or aqueous solutions | Monica Hermans | 2001-03-13 |
| 4918876 | Device to deburr molded parts subject to low-temperature brittleness | Peter Grund, Peter Holz, Udo Jakobs, Wolfgang Volker | 1990-04-24 |
| 4637174 | Device and method for the surface treatment of cold-embrittled parts | Peter Holz | 1987-01-20 |