Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736794 | Method and device to protect syringes and similar medical instruments | Mary Anne Kaehler, Kenneth Mellberg | 2004-05-18 |
| 6322540 | Safe needle device for syringe | Mary Anne Kaehler, Kenneth Mellberg | 2001-11-27 |
| 5894192 | Non-mesh conforming filter for a video display unit | — | 1999-04-13 |
| 4918535 | Television projection system | Peter Knoll | 1990-04-17 |
| 4825090 | Shielding membrane | — | 1989-04-25 |
| 4394136 | System for recovering methane gas from liquid waste | — | 1983-07-19 |