Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990206 | Method of welding tube ends onto a tube sheet | Bernd Kraft | 1991-02-05 |
| 4581236 | Process and apparatus for reduction of alcohol by dialysis in fermented beverages | Werner Bandel, Franz J. Schmitz, Karl Ostertag, Hans G. Breidohr | 1986-04-08 |