Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831686 | Vacuum cleaning tool | — | 1989-05-23 |
| 4688294 | Vacuum cleaner nozzle | — | 1987-08-25 |
| 4360948 | Vacuum cleaner nozzle arrangement | — | 1982-11-30 |
| 4351083 | Vacuum cleaning nozzle | — | 1982-09-28 |
| 4199838 | Indicating device for vacuum cleaners | — | 1980-04-29 |
| 4193292 | Indicating device for vacuum cleaners | — | 1980-03-18 |