Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655273 | Minimal curl sealing flange | Timothy J. May, Catherine E. Kettner, Gregory L. Petkovsek | 1997-08-12 |
| 5599415 | Method of thermally splicing zippers | Gregory L. Petkovsek | 1997-02-04 |