Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9439471 | Method of using a replaceable-component helmet | — | 2016-09-13 |
| 6365275 | Polystyrene beads | — | 2002-04-02 |
| 6218002 | Concrete mix containing polystyrene beads | — | 2001-04-17 |
| 5573790 | Apparatus for manufacturing expandable polystyrene (EPS) pellets | Erik T. Anderlind | 1996-11-12 |
| 5267845 | Apparatus for manufacturing expandable polystyrene (EPS) pellets | Erik T. Anderlind | 1993-12-07 |