Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840202 | Electrically conductive two component twisted yarn and fabrics for textile flat goods for clean rooms and clean room wearing apparel | Guenter Frotscher, Wieland Nitschke, Dieter Obenauf, Juergen Saupe, Manfred Weidelt | 1989-06-20 |