Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391095 | Air flow passage for a cyclonic separator and vacuum cleaner having same | Wayne Ernest Conrad, Helmut Gerhard Conrad | 2002-05-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391095 | Air flow passage for a cyclonic separator and vacuum cleaner having same | Wayne Ernest Conrad, Helmut Gerhard Conrad | 2002-05-21 |