Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292436 | Method for preserving urinary cells | Philipp ENGHARD, Diana METZKE, Christopher SKOPNIK | 2025-05-06 |
| 5896586 | Adjustable headband having a resiliently bowable fastener surface | — | 1999-04-27 |
| D382341 | Respirator face mask | — | 1997-08-12 |
| 5592937 | Respirator mask with stiffening elements | — | 1997-01-14 |
| 4942628 | Helmet suspension having ratchet adjustment | — | 1990-07-24 |
| 4816330 | Chemical resistant laminated garment material | Zane N. Frund | 1989-03-28 |
| 4792480 | Laminate material for use in protective clothing | Sheridan J. Rodgers, Christopher J. Kairys | 1988-12-20 |