Issued Patents All Time
Showing 1–2 of 2 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, Charles R. Morrow, Kevin S. Waltz | 2003-07-29 |
| 5406674 | Resiliently cushioned activating means for power assist | Raymond L. Lawter, Douglass A. King | 1995-04-18 |