Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021149 | Process and device for processing granulated materials | — | 1991-06-04 |
| 4798930 | Process for producing a weld-built member | — | 1989-01-17 |
| 4731280 | Ribbed article and method of making a ribbed article | — | 1988-03-15 |
| 4660756 | Method and apparatus for producing a substantially cylindrical hollow article | — | 1987-04-28 |
| 4308885 | Tubular safety element for closing a flow line | — | 1982-01-05 |