Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599380 | Polymeric membrane | — | 1997-02-04 |
| 5593157 | Long life, low air permeable pressurized articles such as play balls | I. Glen Hargis, Richard A. Olson, Jason S. Harris | 1997-01-14 |