Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355549 | Diverter valve for vacuum cleaner apparatus | Gary L. Steinberg | 1994-10-18 |
| 5208935 | Carpet sweeper | John J. Jailor | 1993-05-11 |
| 5148569 | Debris impeller | John J. Jailor | 1992-09-22 |
| 5087018 | Fluid flow control valve | Michael R. Blase, Gordon W. Goodrich | 1992-02-11 |
| 4910828 | Cleaning apparatus | Michael R. Blase, Daniel L. Koltak, David E. McDowell | 1990-03-27 |
| 4878261 | Sweeper with pivotally mounted dust bin | — | 1989-11-07 |
| 4864680 | Liquid extraction surface cleaning apparatus | Michael R. Blase, Gordon W. Goodrich | 1989-09-12 |
| 4854544 | Fluid flow control valve | Michael R. Blase, Gordon W. Goodrich | 1989-08-08 |
| 4847943 | Liquid extraction surface cleaning apparatus | Michael R. Blase, Gordon W. Goodrich | 1989-07-18 |
| 4827562 | Liquid extraction surface cleaning apparatus | Michael R. Blase, Gordon W. Goodrich | 1989-05-09 |
| 4823430 | Vacuum cleaner with brush lift-off | Robert A. Yonkers | 1989-04-25 |
| 4809393 | Electrical appliances including a cord lock | Gordon W. Goodrich | 1989-03-07 |
| 4800613 | Liquid extraction surface cleaning apparatus | Michael R. Blase, Gordon W. Goodrich | 1989-01-31 |
| 4701195 | Room air treatment system | — | 1987-10-20 |
| 4498207 | Floor sweeper with improved drive wheel construction | — | 1985-02-12 |
| 4325156 | Floor sweeper with improved construction | — | 1982-04-20 |
| 4282622 | Floor sweeper with integral housing | Arlan J. Shaffer | 1981-08-11 |