Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4749431 | Process for producing molds, models and tools based on hard gypsum and/or cement | Fritz Fassle, Neville H. Clubbs | 1988-06-07 |
| 4623014 | Process for the production of precision castings | Fritz Faessler | 1986-11-18 |
| 4541471 | Process for the production of precision castings by the gypsum-mold process | Fritz Faessle | 1985-09-17 |