Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D386193 | Chuck | — | 1997-11-11 |
| 5501473 | Chuck | Christopher B. Barton | 1996-03-26 |
| D366052 | Chuck | Christopher B. Barton | 1996-01-09 |
| 5348318 | Chuck | Christopher B. Barton | 1994-09-20 |
| 5348317 | Chuck | Christopher B. Barton | 1994-09-20 |
| D312337 | Vacuum cleaner | Marsha Jones | 1990-11-20 |
| 4811450 | Vacuum cleaner with improved auxiliary cleaning | — | 1989-03-14 |
| 4754520 | Automatically adjustable floating cleaner head | James F. Barnes, Jr. | 1988-07-05 |