Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617912 | Process for preparing and using a ceramic shell as a casting mold with reducing properties | Wolfgang Grossman | 1997-04-08 |
| 5391341 | Process and binder for the manufacture of ceramic shells for use as molds | Herbert Graf, Wolfgang Grossmann | 1995-02-21 |
| 4766948 | Process for casting aluminum alloys | Friedrich Behr, Wolfgang Grossmann | 1988-08-30 |