Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855162 | Polytetrafluoroethylene coating of polymer surfaces | Wolfgang Wrasidlo, Frieder Hofmann | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855162 | Polytetrafluoroethylene coating of polymer surfaces | Wolfgang Wrasidlo, Frieder Hofmann | 1989-08-08 |