Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638882 | Fiber glass binder compositions and process therefor | Clarence H. Helbing | 2003-10-28 |
| 6555616 | Fiber glass binder compositions and process therefor | Clarence H. Helbing | 2003-04-29 |