Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862609 | Ironing sole plate with composite coating of mechanically-resistant compound | Lothar Ullrich, Gunter Jung, Diethard Burger, Hartmut Schonborn, Winfried Heinzel | 1989-09-05 |