Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877563 | Production of foamed polymer structures | H. Eugene Broemmelsiek, Raymond Lee | 1989-10-31 |
| 4822537 | Production of foamed polymer structures | H. Eugene Broemmelsiek, Raymond Lee | 1989-04-18 |
| 4804504 | Production of foamed polymer structures | Raymond Lee, H. Eugene Broemmelsiek | 1989-02-14 |