Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525278 | Recycling process and apparatus for rigid polyurethane foam | Karl Krosch, Barthel Krosch, Michael Krosch | 1996-06-11 |
| 5398804 | Curved conveyor belt with supporting frame devoid of belt band rollers | Johannes Lintermann, Friedhelm Buderath | 1995-03-21 |
| 4694552 | Method for fabricating a compound portal frame extrusion profile | Warren S. Ecker, Howard Ecker, Maurice E. Sterner, Jr. | 1987-09-22 |