Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847942 | Arrangement for switching on and off of a vacuum cleaner | — | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847942 | Arrangement for switching on and off of a vacuum cleaner | — | 1989-07-18 |