Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4464055 | Apparatus for the production of colloidal mixtures | Robert Mercatoris, Joseph Colling, Albert Feitler | 1984-08-07 |
| 4402275 | Process for the continuous blowing of fine-particled reducing agents consisting predominantly of mineral coal into a shaft furnace | Antoine Weiner, Raymond Limpach | 1983-09-06 |
| 4369066 | Process of production of colloidal mortar and product according to this process | Raymond Linden, Alberg Feitler | 1983-01-18 |