Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446882 | Trigger sprayer having sprayer/foamer selector nozzle cap | Stephen A. Dukes, George R. Trepina, Wing-Kwong Keung | 2002-09-10 |
| 6425501 | Pump dispenser having vent valve | Wing-Kwong Keung, Scotty Ferrell | 2002-07-30 |
| 6364171 | Articulated trigger/cover unit for a pump dispenser | William E. Chalupsky, Wing-Kwong Keung, Kenneth S. Bloom, Ruixin Fan, George R. Trepina +3 more | 2002-04-02 |
| 6364173 | Pump dispenser closure having snap connection | Martin S. Laffey, Richard C. Sayers, Bradley J. Kimble, Wing-Kwong Keung | 2002-04-02 |
| 6364174 | Pump dispenser having piston retainer and stop | Richard D. Lohrman, Wing-Kwong Keung, Bradley J. Kimble, Richard C. Sayers | 2002-04-02 |
| 6343719 | Pump dispenser having shroud locking means | Wing-Kwong Keung, Scotty Ferrell | 2002-02-05 |