Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698298 | Fibrous, non-woven polymeric insulation | Fred L. Jackson, John S. Robertson, Joseph Rumiesz, Jr. | 1997-12-16 |
| 5607491 | Air filtration media | Fred L. Jackson, John S. Robertson | 1997-03-04 |