Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690713 | Filter and accessory mount for upright vacuum cleaner exhaust port | Leonard E. Bowerman, Jeffrey P. Chandler, Peter Hoekstra, Michael John Kowalski | 1997-11-25 |
| 5685894 | Filter and accessory mount for upright vacuum cleaner exhaust port | Leonard E. Bowerman, Jeffrey P. Chandler, Peter Hoekstra, Michael John Kowalski | 1997-11-11 |