Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598263 | Vacuum cleaner dirt collecting system with filter cleaning devices | David J. Boles, Nick M. Bosyj, David A. Bradshaw, Rodney J. Svik, Kevin S. Waltz | 2003-07-29 |
| D458670 | Filter cartridge top | Nick M. Bosyi, David A. Bradshaw | 2002-06-11 |
| 5537712 | Vacuum cleaner belt drive release | Vincent L. Weber | 1996-07-23 |
| 5373598 | Cleaner with performance indicator | Vincent L. Weber, Edgar A. Maurer, William J. Chess, Sr. | 1994-12-20 |
| 5134750 | Cleaner with conversion valve arrangement | Douglass A. King, Edgar A. Maurer, Darwin S. Crouser, Raymond L. Lawter | 1992-08-04 |
| 4434865 | Power transmission for a cleaner | Donald B. Tschudy | 1984-03-06 |