Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715083 | Vacuum cleaner tool storage | Frank R. Harris | 1987-12-29 |
| 4705547 | Dirt drawer latch for vacuum cleaner | Louis A. Rotola, Jr. | 1987-11-10 |
| 4514200 | Filter bag for floor care appliance | William R. Sumerau | 1985-04-30 |
| 4512057 | Floor care appliance | Martin E. Harbeck, John E. Jones, William R. Sumerau, William K. Glenn, III | 1985-04-23 |
| 4447930 | Power head unit for carpet cleaning | William K. Glenn, III, John E. Jones, William R. Sumerau | 1984-05-15 |