Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290761 | Filter for vacuum cleaner | Dean R. Rohn, John J. Alberts, III, Alan J. Krebs | 2001-09-18 |
| 6162287 | Filter for vacuum cleaner | Dean R. Rohn, John J. Alberts, III, Alan J. Krebs | 2000-12-19 |
| D426355 | Vacuum cleaner | Dean R. Rohn, Stephen J. Wood, John J. Alberts, III, Alan J. Krebs, Mark C. Bates +1 more | 2000-06-06 |
| D423154 | Vacuum cleaner | Dean R. Rohn, John J. Alberts, III, Alan J. Krebs, Mark C. Bates, John C. Costello | 2000-04-18 |
| D414305 | Dolly for a vacuum cleaner | Dean R. Rohn, Stephen J. Wood, John J. Alberts, III, Alan J. Krebs, Mark C. Bates +1 more | 1999-09-21 |
| D376879 | Housing design for a power nozzle | Steven R. Selewski, John J. Alberts, III, Dean R. Rohn, Todd C. Cote, Roger H. Ramsey +2 more | 1996-12-24 |
| 5537710 | Cleaning tool having split manifold | Steven R. Selewski, John J. Alberts, III, Anthony Alexander, Todd C. Cote | 1996-07-23 |
| 5280666 | Squeegee apparatus for a vacuum cleaner system | Stephen J. Wood, Steven R. Selewski | 1994-01-25 |
| 5123141 | Cleaning tool having airflow directing manifold for a vacuum cleaner system | Anthony Alexander, John J. Alberts, III | 1992-06-23 |
| 5096475 | Separator for a vacuum cleaner system | Gary A. Kasper, Dean R. Rohn, Steven R. Selewski, Craig Cummins | 1992-03-17 |
| 5090974 | Separator for a vacuum cleaner system | Gary A. Kasper, Dean R. Rohn, Steven R. Selewski, Craig Cummins | 1992-02-25 |
| 5030257 | Separator for a vacuum cleaner system | Gary A. Kasper, Dean R. Rohn, Steven R. Selewski, Craig Cummins | 1991-07-09 |
| 4851017 | Radial cooling fan for vacuum cleaner motor | Steve Selewski, John J. Alberts, III | 1989-07-25 |
| 4824333 | Air blower assembly for vacuum cleaners | — | 1989-04-25 |
| D296945 | Vacuum cleaner top | — | 1988-07-26 |
| 4735555 | Air blower assembly for vacuum cleaner | — | 1988-04-05 |
| 4693734 | Vacuum cleaner construction | — | 1987-09-15 |
| 4640697 | Vacuum cleaner construction | — | 1987-02-03 |
| 4483508 | Gradient power valve assembly | Keith D. Marsh | 1984-11-20 |