Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858269 | Wet/dry vac | Richard J. Ostroski, John L. Falk, E. Charles Sallee | 1989-08-22 |
| 4850076 | Brush vac | Richard J. Ostroski, John L. Falk, E. Charles Sallee | 1989-07-25 |
| 4800615 | Wet/dry vac | Richard J. Ostroski, John L. Falk, E. Charles Sallee | 1989-01-31 |
| 4791700 | Fresnel lens illuminator for vacuum cleaner | Lee R. Estelle | 1988-12-20 |
| 4709443 | Appearance fabric panel with in situ molded frame | — | 1987-12-01 |