Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247689 | Fire resistant ventilation duct and a method of manufacturing and installing such ventilation duct | Kurt Munk Pedersen, Jürg Dieter Stefan Rödenberger | 2025-03-11 |
| 11351407 | Foam former and foam sprinkler | Jens Stubenrauch | 2022-06-07 |
| 5405564 | Method of forming shaped articles made from pre-processed starch | Robert F. T. Stepto, Ivan Tomka | 1995-04-11 |
| 5095054 | Polymer compositions containing destructurized starch | Gustav Lay, Johannes Rehm, Robert F. T. Stepto, Jean-Pierre Sachetto, David J. Lentz +1 more | 1992-03-10 |