Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5383252 | Vacuum cleaner with improved assembly | Leonard Hampton, Paul J. Burress, Hollis Spence | 1995-01-24 |
| 5367741 | Vacuum cleaner with improved assembly | Leonard Hampton, Paul J. Burress | 1994-11-29 |
| 5309601 | Vacuum cleaner with improved assembly | Leonard Hampton, Paul J. Burress, Hollis Spence | 1994-05-10 |