Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168125 | Adjustable railing bracket | Timothy M. Winger, Michael Salamh, Darren C. Epstein | 2001-01-02 |
| D432746 | Canister vacuum cleaner | — | 2000-10-24 |
| 5658362 | Vacuum cleaner and filter bag with air management | — | 1997-08-19 |
| 5651811 | Filter system | Philip H. Stevenson | 1997-07-29 |
| 5641343 | Room air cleaner | — | 1997-06-24 |
| 5603741 | Vacuum cleaner and filter bag with air management | — | 1997-02-18 |
| 5593479 | Filter system | Philip H. Stevenson | 1997-01-14 |
| 5522908 | Filter bag for a vacuum cleaner | — | 1996-06-04 |
| 5515573 | Vacuum cleaner canister base connector | — | 1996-05-14 |
| 4889175 | Torque window | Gail E. Woods, Leroy C. Schmuck | 1989-12-26 |