Issued Patents 2002
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488819 | Process and apparatus for chemical conversion | Wayne Ernest Conrad, Richard Stanley Phillips, Andrew Richard Henry Phillips | 2002-12-03 |
| 6482252 | Vacuum cleaner utilizing electrostatic filtration and electrostatic precipitator for use therein | Wayne Ernest Conrad | 2002-11-19 |
| 6455000 | Method and apparatus for measuring the concentration of a gas | Wayne Ernest Conrad, Ted Szylowiec | 2002-09-24 |
| 6447733 | Fluid contact chamber | Wayne Ernest Conrad, Richard Stanley Phillips, Andrew Richard Henry Phillips | 2002-09-10 |
| 6419719 | Cyclonic vacuum cleaner | Wayne Ernest Conrad, Ted Szylowiec | 2002-07-16 |
| 6391095 | Air flow passage for a cyclonic separator and vacuum cleaner having same | Wayne Ernest Conrad, Ted Szyluwiec | 2002-05-21 |
| 6383266 | Vacuum cleaner utilizing electrostatic filtration and electrostatic precipitator for use therein | Wayne Ernest Conrad | 2002-05-07 |
| 6334234 | Cleaner head for a vacuum cleaner | Wayne Ernest Conrad | 2002-01-01 |