Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337319 | Self-extinguishing, fine particulate expandable styrene polymers | Josef K. Rigler, Hans-Josef Ratajczak, Karl Trukenbrod | 1982-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337319 | Self-extinguishing, fine particulate expandable styrene polymers | Josef K. Rigler, Hans-Josef Ratajczak, Karl Trukenbrod | 1982-06-29 |