Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4507819 | Power nozzle sudser for canister type vacuum cleaner | — | 1985-04-02 |
| D260151 | Top cover for tank type suction cleaner | — | 1981-08-11 |
| 4225999 | Multi-motor suction cleaner construction | Nora Robinson | 1980-10-07 |
| 4199839 | Suction cleaner power nozzle construction | — | 1980-04-29 |