Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304104 | Cordless vacuum cleaner | Gerhard Busalt | 1989-10-17 |
| 4817309 | Hand held steam presser | Karlheinz Frank, Christoph Hanschke | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304104 | Cordless vacuum cleaner | Gerhard Busalt | 1989-10-17 |
| 4817309 | Hand held steam presser | Karlheinz Frank, Christoph Hanschke | 1989-04-04 |