Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D324280 | Liquid extraction surface cleaner | — | 1992-02-25 |
| 5087018 | Fluid flow control valve | Michael R. Blase, Henry J. Rosendall | 1992-02-11 |
| D318155 | Liquid applying cleaning machine | — | 1991-07-09 |
| 5016315 | Floor cleaning device with improved handle grip | Susan G. Bledsoe | 1991-05-21 |
| D310281 | Carpet cleaner handle | — | 1990-08-28 |
| D309203 | Vacuum cleaner | — | 1990-07-10 |
| 4864680 | Liquid extraction surface cleaning apparatus | Michael R. Blase, Henry J. Rosendall | 1989-09-12 |
| D303172 | Canister for liquid extraction surface cleaner | — | 1989-08-29 |
| D303171 | Vacuum cleaner | Roy A. Chung | 1989-08-29 |
| 4854544 | Fluid flow control valve | Michael R. Blase, Henry J. Rosendall | 1989-08-08 |
| 4847943 | Liquid extraction surface cleaning apparatus | Michael R. Blase, Henry J. Rosendall | 1989-07-18 |
| 4827562 | Liquid extraction surface cleaning apparatus | Michael R. Blase, Henry J. Rosendall | 1989-05-09 |
| 4809393 | Electrical appliances including a cord lock | Henry J. Rosendall | 1989-03-07 |
| 4800613 | Liquid extraction surface cleaning apparatus | Michael R. Blase, Henry J. Rosendall | 1989-01-31 |
| D296129 | Air treatment unit | Paul J. Kudirka | 1988-06-07 |
| D294988 | Handle grip for a vacuum cleaner | — | 1988-03-29 |
| D292636 | Vacuum cleaner | Michael S. Joss | 1987-11-03 |
| D276945 | Comb for carpet sweeper brushes | — | 1984-12-25 |
| D260345 | Tray or similar article | — | 1981-08-25 |
| 4249280 | Vacuum cleaner bag attachment | — | 1981-02-10 |