Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4756418 | Anti-clockspringing apparatus and method | Lawrence P. Kenney | 1988-07-12 |
| 4715085 | Vacuum cleaner and method of dissipating electrostatic charge | — | 1987-12-29 |
| 4715086 | Vacuum cleaner and method of dissipating electrostatic charge through corona discharge | Raymond M. Montgomery, Michael Herndon, Edward C. Peterson | 1987-12-29 |