Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329666 | Vacuum cleaner | Leonard E. Bowerman, Eugene K. Chumley, William E. Bartasevich, Robert L. Waldo, John Caterinacci | 1994-07-19 |
| 5218736 | Vacuum cleaner | William E. Bartasevich, Robert L. Waldo, John Caterinacci, Leonard E. Bowerman, Eugene K. Chumley | 1993-06-15 |
| 5129128 | Vacuum cleaner | Leonard E. Bowerman, Eugene K. Chumley, William E. Bartasevich, Robert L. Waldow, John Caterinacci | 1992-07-14 |