Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D313293 | Battery powered upright vacuum cleaner | Samuel E. Hohulin | 1990-12-25 |
| D311348 | Talking smoke detector | Louis L. Mastro | 1990-10-16 |
| D277038 | Transparent tool cover for suction cleaners or the like | Samuel E. Hohulin | 1985-01-01 |
| D276944 | Portable vacuum cleaner | Samuel E. Hohulin | 1984-12-25 |
| 4216708 | Fume containment | John Wyatt | 1980-08-12 |